Changes in sleep patterns?

A pendulum takes 4 seconds to make a complete swing. a man walks 100m in a straight line while the pendulum makes 20 complete swings. determine the average velocity of the man. What is the difference of the rational expressions below?4x 2x99O A.6xO B.2xO C.O D. Ex Solve each triangle find any missing side and angle measures. Round answers to the nearest tenth. estimate 789215 can any one answer Please answer all parts as I know the answers but need the work to go with them. Thus, I believe that some answers are correct. Thank you! Who were the Red Guards? Discuss their beliefs and the actions they took to promote their belief system. Be sure to write your response in four or more complete sentences . In the following simple sentence, bold the subject(s) and underline the main verb(s):Today, River, Aura, and I will stay home and work and play together. What two steps can a project manager take to overcome the planning fallacy? Which statement about gases is true?A) They are made up of particles that always move very slowly.B) They are made up of particles that travel in a curved path when in motion.C) They are made up of hard spheres that vibrate quickly in stationary positions.D) They are made up of hard spheres that are in random motion. write each polynomial in standard form. Then give the leading coefficient. You may need to combine like terms before writing the polynomial in standard form. 18y^5-3y^8+10y The ________ is a community's chief law enforcement official and is responsible primarily for the protection of society. What was one way that President Clinton's domestic policies were similar to Newt Gingrich's Contract with America? PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!! GEOMTREY QUESTION 3 (a) Describe the path followed by water from the soil, through the plant and into the atmosphere . The diamond-water paradox arises because Multiple Choice the marginal utility of certain products increases, rather than diminishes. we sometimes fail to use money as a standard of value. essential goods may be cheap, while nonessential goods may be expensive. essential goods are always higher priced than nonessential goods. Which of the following is an example of a sentencefragment?I froze.If Maria forgets to fill her prescription.She smiled.The doctor called it in.-I can select more than one! Find the coefficient of x^7y^3 in the expansion of (x - 2y)^10 2. GYMNASIUM You want to estimate the number of students in your school who think the gymnasium should be remodeled. You survey 12 students on the basketball team. Determine whether the sample is biased or unbiased. Explain. (Section 10.6) Select the correct answer. What is one root of this equation? 2x^2-4x+9 the plane of a coil of area 5 m^2 has 100 turns. The plane lies on the X-Y plane and the magnetic field of intensity 3 gauss is in the positive X-direction. Find the magnetic flux linked with it