Which is the value of this expression when p=-2 and q=-1?

[ (p 2) (q - 3) ] - 2 times [ (p - 3) (q 5) ] - 2

(All of the numbers are exponents)

A. - 4

B. - 1/16

C. 1/16

D. 4

Suppose the consumption of electricity grows at 9.5% per year, compounded continuously. Find the number of years before the use of electricity has tripled. Round the answer to the nearest hundredth?

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A local ice cream store is analyzing the day's sales. Each serving came in either a cup or cone, but not both, and the ratio of servings to cups was 7:4. What was the ratio of serving to cones? A) 4:7 B) 3:4 C) 7:3 D) 11:4

How do I solve this? 4x^2-2x (x-2y) + 2y (2y+x) - 2x^2

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