For the given regular polygon, find the measure of one angle.
A. 120°
B. 108°
C. 540°
D. 60°
Answer: B
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Rewrite the statement in the form "if p, then q".All numbers which are divisible by four are even numbers.
A. If a number is divisible by four, then it is even. B. If a number is even, then it is divisible by four. C. If a number is even, then it is not divisible by four. D. If a number is not divisible by four, then it is not even.
Divide as indicated.
A. 9r2 + 7r + 
B. r2 + 3r + 7
C. 9r2 - 7r - 3
D. 9r2 + 7r + 3
Solve the problem.The concentration of a certain drug in the bloodstream x hr after being administered is approximately 
Use the differential to approximate the change in concentration as x changes from 1 to 1.52.
A. 0.42 B. 0.14 C. 0.18 D. 0.20
Graph the equation by plotting points.y = -x2 + 2
A. 
B. 
C. 
D. 