Multiply and simplify.
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.A 3% discount is given if you pay cash at the gas pump. The pump showed a charge of $16.00 before the discount. How much is saved with the discount?
A. $4.80 B. $11.20 C. $15.52 D. $0.48
Solve the following system by any appropriate method. If there is no real number solution, so state.3x2 - y2 = 14x2 + 2y2 = 14
A. (
, 4), (
, -4), (-
, 4), (-
, -4)
B. (
, 2), (
, -2), (-
, 2), (-
, -2)
C. (
, 2), (
, -2), (-
, 2), (-
, -2)
D. no real solution
Solve the inequality. Graph the solution set and write it in interval notation.x + 5 < 12
A. (-?, 17]
B. (-?, 7)
C. (-?, 17)
D. (7, ?)
Solve the problem.Approximate the area under the graph of f(x) = ex + -2 from -1 to 4 by partitioning the interval into 4 subintervals of equal length and choosing t to be the left endpoint. Round to the nearest hundredth.
A. 27.22 B. 108.88 C. 68.88 D. 17.22