Find the sum of the infinite geometric sequence.
A. 
B. 
C. 
D. 
Answer: D
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Decide where the first digit in the quotient would be located. Then without finishing the division, determine which of the three choices is the correct answer.
A. 9 B. 930 C. 93
Solve the given differential equation.dy = 4e3xdx
A. 
e3x + C
B. 12e3x + C
C. 4e3x + C
D. 
e3x + C
Solve the problem.An open-top rectangular box has a square base and it will hold 108 cubic centimeters (cc). Each side of the base has length x cm, and the box has a height of y cm. Express the surface area S as a function of the length x of a side of the base.
A. S(x) = 
+ x2
B. S(x) = 
+ x2
C. S(x) = 432 + x2
D. S(x) = 
+ x2
Solve the problem.If the height of a rectangular solid is held constant, the volume varies jointly with the length and the width. If the volume is 120 cubic inches when the length is 8 inches and the width is 3 inches, find the volume when the length is 7 inches and the width is 4 inches.
A. 160 in.3 B. 112 in.3 C. 105 in.3 D. 140 in.3