Simplify.56 - (25 - 11)
A. 42
B. 31
C. 20
D. 14
Answer: A
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Find the indicated sum. Find the sum of the first 7 terms in the geometric series 3 + 9 + 27 + . . .
A. 3279 B. 1092 C. 9840 D. 1122
You are given the population and the growth rate as of 2000 for a hypothetical country. Assume that the growth rate remains the same from year to year. Using an exponential function to model population growth, determine the size of the population in the specified year.Population = 131 million, growth rate = 2.4 percent, year: 2010
A. 170.0 million B. 131.0 million C. 162.2 million D. 166.1 million
Use the given feasible region determined by the constraint inequalities to find the maximum possible value of the objective function.f = 3x + 11y subject to the constraints 
A. 383 B. 323 C. 343 D. 363
Find the midpoint of the segment with the given endpoints.
and 
A. 
B. 
C. 
D. 