Perform the operations indicated. Write your answer in simplest form.-11 - (-9)
A. 20
B. 2
C. -20
D. -2
Answer: D
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From the following credit card transactions, find the credit-card sales less refunds. Then find the amount of the charge at the statement date.Cross Town Florists pays a 4% fee.??SalesRefunds$109.69?$43.73?$43.83$131.37?$45.85?$29.49$121.19?$141.36?$36.41$38.27?$180.68
A. $921.87, $36.87 B. $702.41, $28.10 C. $692.41, $27.70 D. $812.14, $32.49
Solve.log (5x + 5) = 2
A. 
B. 19
C. - 
D. - 19
Solve the equation by using the square root property. Simplify all radicals.8z2 + 5 = 1357
A. {-13, 13} B. {678.5} C. {-14, 14} D. {13}
Solve the problem.For a cone, the formula R = 
1/2describes the relationship between the radius R of the base, the volume V, and the height h. Find the volume of a cone if its radius is 7 inches and its height is 5 inches. (Use 3.14 as an approximation for ?, and round to the nearest tenth.)
A. 256.4 cubic in. B. 36.6 cubic in. C. 51.3 cubic in. D. 2307.9 cubic in.