Factor.2n2 + 5n - 63
A. (2n - 9)(9 - 2n)
B. (2n - 72)(2n - 9)
C. (2n - 9)(n + 7)
D. (2n - 9)(n - 7)
Answer: C
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Find the exact values for sin s, cos s, and tan s.s = - 
A. sin s = - 
; cos s = 
; tan s = 
B. sin s = 
; cos s = - 
; tan s = 
C. sin s = 
; cos s = - 
; tan s = - 
D. sin s = - 
; cos s = 
; tan s = - 
Solve and check your answer.
+ x = 16
A. x = 105 B. x = 896 C. x = 2 D. x = 14
Solve the problem.A rectangular field is to be enclosed on four sides with a fence. Fencing costs 
per foot for two opposite sides, and 
per foot for the other two sides. Find the dimensions of the field of area 
that would be the cheapest to enclose. Round to the nearest tenth.
A. 30 ft @ $4 by 24 ft @ $5 B. 24 ft @ $4 by 30 ft @ $5 C. 33.5 ft @ $4 by 21.5 ft @ $5 D. 21.5 ft @ $4 by 33.5 ft @ $5
Find an equation for the graph.
A. y = 5 cos 
B. y = 3 cos (2x)
C. y = 2 cos (3x)
D. y = 3 cos 