Solve.
= 
+ 
A. 
B. {16}
C. 
D. 
Answer: A
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Write the fraction as a decimal. If necessary, use repeating decimal notation.
A. 1.5 B. 1.25 C. 1 D. 0.8
Solve.The outside of a water storage tank is in the shape of a sphere. Approximate to the nearest hundredth the volume of the tank with a radius of 19.6 feet. Use 3.14 for ?.
A. 1206.26 cu ft B. 1608.35 cu ft C. 31,523.66 cu ft D. 23,642.74 cu ft
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 1 + 2 sin ?
A. 
= x2 + y2 + 2x
B. x2 + y2 = 
+ 2y
C. 
= x2 + y2 + 2y
D. x2 + y2 = 
+ 2x
Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.log69 + log68
A. log1272 B. log617 C. log1217 D. log672