Use the graph of the function to estimate the x-intercepts.y = -x2 + 2x + 35
A. x = 5, x = 7
B. x = -5, x = 7
C. x = -7, x = 5
D. x = -35, x = -2
Answer: B
Mathematics
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Write a system of inequalities whose solution set is the region shown.
A. x ? 0, y ? 0, y ? 
x + 7, y ? 
x + 15
B. x ? 0, y ? 0, y ? - 
x + 7, y ? - 
x + 6
C. x ? 0, y ? 0, y ? - 
x + 7, y ? - 
x + 6
D. x ? 0, y ? 0, y ? - 
x + 7, y ? - 
x + 15
Mathematics
Find the probability.Assuming that boy and girl babies are equally likely, find the probability that a family with four children has all boys given that at least one is a boy.
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 1
B. 
C. -1
D. 0
Mathematics
Solve.x2 + y2 = 164x2 + 9y2 = 36
A. 
, 
, 
, 
B. 
, 
, 
, 
C. 
, 
D. 
, 
Mathematics