Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.2
? 23
A. 61
B. 60
C. 51
D. 46
Answer: B
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Find the area under the normal curve for the condition.Find the percent of the area under the curve between the mean and 3.01 standard deviations from the mean.
A. 50.1% B. 49.9% C. 99.9% D. 49.7%
Write an equivalent expression without a negative exponent.x-10
A. -x10
B. 
C. x10
D. 
Multiply.(x2 + 4y2 - xy)(x2 + 3xy + y2)
A. x4 + 4x3y + 2x2y2 + 11xy3 - 4y4 B. x4 + 2x3y + 2x2y2 + 11xy3 + 4y4 C. x4 + 4x3y + 8x2y2 + 11xy3 + 4y4 D. x4 + 2x3y + 2x2y2 + 13xy3 - 4y4
Solve the problem.A rectangular box with volume 470 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 2x2 + 
B. C(x) = 4x + 
C. C(x) = 3x2 + 
D. C(x) = 3x2 + 