Find the shaded area in each figure.
A. 4 ft2
B. 76 ft2
C. 42 ft2
D. 38 ft2
Answer: D
Mathematics
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Use a proportion to solve the problem.If a spring stretches 2 meters when a 2-kilogram weight is attached to it, how much will it stretch when a 14-kilogram weight is attached to it?
A. 16 m B. 13 m C. 17 m D. 14 m
Mathematics
Solve the equation. Express radicals in simplest form.x2 = 49
A. 24.5 B. ±8 C. 7 D. ±7
Mathematics
Divide.3.2 ÷ 0.04
A. 8 B. 0.8 C. 0.08 D. 80
Mathematics
For the given amounts A and B, find the requested percent of change. Round to the nearest whole percent if necessary.A = $50, B = $42
Find the percent change if A changes to B.
A. -19% B. -17% C. -16% D. -8%
Mathematics