Solve the problem.A formula for electric circuits is 
= 
+ 
. If c = 12 and b = 18, find a.
A. 20.000
B. 45.000
C. 7.200
D. 0.139
Answer: C
Mathematics
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Solve the problem.The hemispherical bowl of radius 8 contains water to a depth 2. Find the volume of water in the bowl.
A. 
?
B. 200?
C. 
?
D. 
?
Mathematics
Find all real numbers that satisfy the equation. Round approximate answers to the nearest hundredth.2 cos(3x) = 
A. 
B. 
C. {x|x = 0.17 + k? or x = 1.92 + k?}
D. {x|x = 0.26 + 2k? or x = 1.83 + 2k?}
Mathematics
Find the minimum y-value on the graph of y = f(x). f(x) = x2 - 8x
A. 4 B. -4 C. -16 D. 16
Mathematics
Divide, if possible.-198 ÷ 9
A. - 
B. -22
C. -32
D. 22
Mathematics