Solve the problem.If the sides of a square are increased by 2 meters, the area becomes 81 square meters. Find the length of a side of the original square.
A. 11 m
B. 9 m
C. 2 m
D. 7 m
Answer: D
Mathematics
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Convert the common fraction into decimal form. If necessary, round to the nearest thousandth.
A. 0.8 B. 0.072 C. 0.615 D. 0.727
Mathematics
Solve the equation. Express radicals in simplest form.z2 + 12z + 26 = 0
A. 6 ± 
B. 6 ± 
C. 6 + 
D. -12+ 
Mathematics
Solve triangle ABC. If necessary, round the answer to the nearest tenth. 
A. C = 45°, a = 6.7 ft, c = 8.2 ft B. C = 50°, a = 8.2 ft, c = 6.7 ft C. C = 50°, a = 6.7 ft, c = 8.2 ft D. C = 55°, a = 8.2 ft, c = 6.7 ft
Mathematics
Identify the base and the exponent for the exponential expression.-32
A. Base is -3; exponent is 2. B. Base is 2; exponent is 3. C. Base is 2; exponent is -3. D. Base is 3; exponent is 2.
Mathematics