Amirror frame in the shape of an oval is shown below. the ends of the frame form semicircles:
an oval is formed by a rectangle with semicircles at each end. the length of the rectangle is 62 inches. the width of the rectangle is 27 inches.
which of the following is the perimeter of the inner edge of the frame?
(π = 3.14)
146.78 inches
208.78 inches
293.56 inches
347.56 inches

Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.