Use the choices below to fill in the blank. Choices may be used more than once or not at all. A formula for calculating a permutation of n items taken r at a time is .

A.
B.
C.
D.


Answer: D

Mathematics

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Find the second derivative.y =  - 10

A. 23x - 10
B. x2
C. 23x
D. x

Mathematics

Solve the problem using the loan payoff table or an amortization table.A movie star purchased a home costing $708,815. He put 20% down and signed a note for monthly payments at 9% interest for 4 years. Find the amount of each monthly payment and the total amount of interest paid on the loan.

A. $17,642.41, $138,020.68 B. $14,380.44, $123,209.12 C. $14,113.92, $110,416.16 D. $13,841.74, $97,351.52

Mathematics

Solve the problem.159 students attended an assembly at Piper School. The student enrollment at the school is 212. What percentage of the students did not attend the assembly?

A. 10% B. 25% C. 35% D. 20%

Mathematics

Find the slope and the y-intercept of the line.3x + y + 2 = 0

A. m = -3, y-intercept: (0, -2) B. m = 3, y-intercept: (0, 2) C. m = 3, y-intercept: (0, -2) D. m = -3, y-intercept: (0, 2)

Mathematics