Tell which set or sets each number belongs to: natural, whole, integer, rational, irrational, real.-9.
A. Real, rational
B. Real, rational, natural
C. Real, Irrational
D. Real
Answer: A
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Find the infinite sum accurate to three decimal places.
A. -0.859 B. 0.859 C. -0.320 D. 0.460
Solve the differential equation.
= e8x - 8y
A. y = 8ln (e8x + C)
B. y = 
ln (e8x + C)
C. y = ln (e8x + C)
D. y = 8e8x + C
Provide an appropriate response.In a matrix game with payoff matrix A, how can you find the value ?(x) of a strategy x to row player R?
A. ?(x) is the minimum of the inner product of x with each of the rows of A. B. ?(x) is the maximum of the inner product of x with each of the rows of A. C. ?(x) is the minimum of the inner product of x with each of the columns of A. D. ?(x) is the maximum of the inner product of x with each of the columns of A.
Solve the problem.Best Office Machines spent $84,570 this year on utility costs alone. If total sales were $513,300, what percent of total sales was spent on utility costs? Round to the nearest tenth of a percent, if necessary.
A. 61% B. 1.7% C. 16.5% D. 6.1%