Solve the equation.4m2 + 20m + 22 = -3
A. 
, 
B. - 
, - 
C. 
, 
D. - 
, - 
Answer: D
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Solve the problem.The population of a town was 34,600 at the beginning of 1970. If the population decreased 400 people per year, how many people lived in the town at the beginning of 1985?
A. 28,200 people B. 6000 people C. 29,000 people D. 28,600 people
Simplify. Write the answer with positive exponents.-3-4
A. -81
B. 81
C. - 
D. 
Answer the question.According to the rules for order of operations, the first steps in evaluating the expression 
for 
are to substitute 3 for x and then .
A. subtract 48 from 4 B. subtract 4 from 48 C. find the cube of 3 D. multiply 4 by 3
Approximate the area of the region bounded by f(x) = 31n(5x), the x-axis, and the vertical lines x = 4 and x = 8, using four rectangles. (That is, calculate S?) Calculate the height of each rectangle using the x-value at its right edge.
A) 44.27 B) 43.38 C) 42.48 D) 41.59