Calculate.
A. -20
B. 
C. 20
D. 8
Answer: C
Mathematics
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Solve the equation.- 
a = 0
A. -17 B. 1 C. 17 D. 0
Mathematics
Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 22.05065 mi2 B. 88.2026 mi2 C. 16.642 mi2 D. 33.284 mi2
Mathematics
Write an equivalent expression in exponential form.log4 
= -2
A. 24 = 
B. 4-2 = 
C. 41/16 = 2
D. 
2 = 4
Mathematics
Solve.The braking distance D in feet required for a car traveling x miles per hour to stop on dry, level pavement can be approximated by 
Calculate the braking distance for 43 miles per hour. If necessary, round the answer to the nearest tenth of a foot.
A. 1849 ft B. 3.9 ft C. 473 ft D. 168.1 ft
Mathematics