Simplify the expression. First use the distributive property to remove any parentheses.-6(z - 9)
A. -6z + 54
B. 6z + 54
C. -6z - 54
D. -6z + 9
Answer: A
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Find the area of the triangle whose sides have lengths 13 cm, 14 cm, and 15 cm.
What will be an ideal response?
Provide an appropriate response.The area of the surface formed by revolving the graph of 
from 
to 
about the line 
is 
The area of the surface formed by revolving the graph of r = f(?) from ? = ? to ? = ? about the
line 
is 
Use the idea underlying these two integral formulas to find the surface area of the torus formed by revolving the circle r = a about the line 
where 
What will be an ideal response?
Provide an appropriate response. You save $12,000 at 7% for one year. Federal taxes take 15% of the interest earned. By what percent did your investment actually grow?
A. 5.95% B. 22% C. 8% D. 10.5%
Use simple probability to complete the exercises.This problem deals with eye color, an inherited trait. For purposes of this problem, assume that only two eye colors are possible, brown and blue. We use b to represent a blue eye gene and B a brown eye gene. If any B genes are present, the person will have brown eyes. The table shows the four possibilities for the children of two Bb (brown-eyed) parents, where each parent has one of each eye color gene. Second Parent B bFirst Parent B BB Bb b Bb bbFind the probability that these parents give birth to a child who has blue eyes.
A. 0
B. 
C. 
D. 1