Solve the system by elimination.-7x + 9y = -983x - 6y = 57

A. {(4, -6)}
B. ?
C. {(5, -7)}
D. {(5, -6)}


Answer: C

Mathematics

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Solve the problem.John is going on vacation and plans to take between 4 and 7 shirts and 2 or 3 pairs of pants. Additionally, space in his luggage dictates that he take no more than a total of 7 shirts and pants. Graph the possible number of shirts and pants he will take. number of pantsnumber of shirts

A.  number of pants
number of shirts
B.  number of pants
number of shirts
C.  number of pants
number of shirts
D.  number of pants
number of shirts

Mathematics

The graph and equation of a polynomial f(x) are given. Determine the number of real zeros and the number of imaginary zeros.f(x) = x4 + 4x3 + 5x2 + 4x + 4

A. Two real zeros; two imaginary zeros B. One real zero; two imaginary zeros C. One real zero; no imaginary zero D. Two real zeros; no imaginary zeros

Mathematics

Factor the expression. ? ?

A.
B.
C.
D.
E.

Mathematics

Solve.A rocket is shot straight up in the air from the ground at a rate of 53 feet per second. The rocket is tracked by a rangefinder that is 499 feet from the launch pad. Let d represent the distance from the rocket to the rangefinder and t represent the time, in seconds, since "blastoff". Express d as a function of t.

A. d(t) = 
B. d(t) = 
C. d(t) = 4992 + (53t)2
D. d(t) = 499 + 53t2

Mathematics