The following figure has perimeter, circumference, or area as indicated. Find the value of x. Use 3.14 as an approximation for ?.A = 60
A. 24
B. 4.5
C. 9
D. 15
Answer: C
Mathematics
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Solve the problem.h varies jointly as f and g. Find h when f = 20, g = 15, and k = 4.
A. h = 3 B. h = 75 C. h = 300 D. h = 1200
Mathematics
Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-5p)2 (-5p)6
A. 25p8 B. -58p8 C. 58p8 D. 58p
Mathematics
Solve the problem.The length and width of a rectangle have a sum of 180. What dimensions will give the maximum area?
A. 90 by 90 B. 45 by 45 C. 89 by 91 D. 45 by 135
Mathematics
If ?
and 
, find 
middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_95886e830c6640aab55dbcde6" />.
?
A. 
B. 
C. -10
D. 
E. does not exist
Mathematics