Find the indicated sum.a1 = , r = -2; find s13

A.
B.
C.
D.


Answer: C

Mathematics

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Factor the trinomial, if possible.14x2 - 49x - 28

A. (2x - 1)(7x + 28) B. (14x - 7)(x + 4) C. 7(2x + 1)(x - 4) D. 7(2x - 1)(x + 4)

Mathematics

Find the derivative of the function. ? ?

A.
B. ?
C. ?
D. ?

Mathematics

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x7 - 9x6 + 8x5

A. x5(x + 1)(x - 8) B. x5(x2 - 9x + 8) C. x5(x - 1)(x + 8) D. x5(x - 1)(x - 8)

Mathematics

Find all solutions of the equation in the interval [0, 2?).sec  +  = 0

A.
B.
C.
D.

Mathematics