Use the distributive property to write the expression without parentheses. Then simplify, if necessary.- 3(-6x - 9)
A. 18x + 27
B. 18x - 27
C. -18x - 27
D. 45x
Answer: A
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Find a function r(t) that describes the curve where the surfaces intersect. z = 16; z = x2 + y2
A. r(t) = 
B. r(t) = 
C. r(t) = 
D. r(t) = 
Give an appropriate response.The tables below show the results of a study examining the incidence of breast cancer among women who exercise regularly and those who do not.The 425 women in the study were split into two age groups, those under 40 and those 40 or older. ?UNDER 40 OVER 40 Breast Cancer Breast CancerRegular exercise
Regular exercise
For each age group, determine the percentage of women having breast cancer among those exercise regularly and among those who do not exercise regularly. If the two age groups are combined, what
percentage have breast cancer among those who exercise regularly and among those who do not exercise regularly?Explain the apparent inconsistency in these results, and how the design of the study brought about the inconsistency. What will be an ideal response?
Find the perimeter of the given figure.
A. 21
ft
B. 21
ft
C. 21
ft
D. 75
ft
Solve the equation.-3a + 3 + 4a = 7 - 23
A. -19 B. -33 C. 33 D. 19