The rectangle shown below has vertices of open parentheses 0 comma space O close parentheses comma space open parentheses straight pi over 2 comma space O close 0 parentheses comma space open parentheses straight pi over 2 comma space 1 close parentheses comma space and space open parentheses 0 comma space 1 close parentheses: What percent of the rectangle is shaded? 36.3% 63.7% 43.2% y=cos(x) 31.4%

6. Plot r = 4 cos O :

2. %3D 8. Assume that cos(r) = 15 for r in quadrant IV. Find sin(2.r), cos(2r), and tan(2r).

The Centers for Disease Control lists causes of death in the United States during 2012. (Each person is assigned only one cause of death.) Cause of Death Heart disease Percent Cancer 23.6 Circulatory diseases and stroke 22.9 5.1 Respiratory diseases Accidents 5.6 5.0 a) Is it reasonable to conclude that heart or respiratory diseases were the cause of approximately 29% of U.S. deaths in 2012? O A. No, because there is no possibility for overlap. O B. Yes, because there is no possibility for overlap. OC. No, because there is the possibility of overlap. O D. Yes, because there is the possibility of overlap. b) What percent of deaths were from causes not listed here? % (Round to one decimal place as needed.) Next 2:49 PM P Type here to search 74°F 21 4/27/2022 141 174 & 7. 96 3 4. R T Y U tab H. D PAP lock M.