Multiply using the rule for finding the product of the sum and difference of two terms.(x10 + 5)(x10 - 5)
A. x20 + 10x10 - 25
B. x100 - 10x20 - 25
C. x20 - 25
D. x100 - 10
Answer: C
Mathematics
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Find the derivative of y with respect to the independent variable.y = (ln 8?)?
A. (8?)? ln ?
B. 
(ln 8?)?-1
C. 
(ln 8?)?-1
D. ?(ln 8?)?-1
Mathematics
Solve the problem.Corn, soybean, and wheat production this week decreased by 4.5% from last week. If the decrease amounted to 13,080 tons, what was the production last week? Round to the nearest tenth, if necessary.
A. 588.6 tons B. 58,860 tons C. 290,666.7 tons D. 29,066.7 tons
Mathematics
Solve the inequality numerically. Approximate endpoints to the nearest tenth.
x - 7.3 < 0
A. x > -14.7 B. x > 15.1 C. x < 15.1 D. x < -14.7
Mathematics
Find the effective rate of interest.12.75% compounded monthly
A. 13.522% B. 12.955% C. 12.873% D. 13.655%
Mathematics