Solve the problem.Find the radius of a circle in which a central angle of 
radian determines a sector of area 
meters. Round to the nearest hundredth.
A. 14.76 m
B. 7.38 m
C. 108.86 m
D. 10.43 m
Answer: D
Mathematics
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Find the indicated composition.f(x) = 5
; g(x) = 2x + 7Find (g ? f)(x).
A. (g ? f)(x) = 10
+ 7
B. (g ? f)(x) = 5
C. (g ? f)(x) = 5
+ 7
D. (g ? f)(x) = 5
Mathematics
Identify the numbers from the given list that belong to the indicated set. 4, 
, -16, 0, 
, 
, 0.32, 0.
Rational numbers
A. 4, -16, 0, 
, 
, 0.32,
B. 4, -16, 0, 
, 0.32
C. 4, -16, 0, 
, 
, 0.32, 0.
D. 4, -16, 0, 
, 0.32, 0.
Mathematics
Estimate the product by first rounding each number so that there is one nonzero digit.0.032 × 449.6
A. 12 B. 1200 C. 1.2 D. 120
Mathematics
Simplify the expression using the order of operations.5(7x - 4) - 4(x - 2)
A. 31x - 28 B. 31x - 6 C. 15x - 12 D. 31x - 12
Mathematics