Use the given information to find the exact value of the trigonometric function.cos ? = - 
; sin ? > 0
Find cos 
.
A. 
B. 
C. - 
D. - 
Answer: B
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Find the sum of the finite geometric series using a formula.2 - 8 + 32 - 128 + 512
A. 682 B. 410 C. -682 D. -410
Find an equation of the line with the given properties. Express your answer in slope-intercept form. Graph the lines.Passing through (5, 2) and perpendicular to y = 
x + 4
A. y = 8x - 42
B. y = - 8x + 42
C. y = - 8x - 42
D. y = - 
x - 
Factor the polynomial completely.250k3m - 16m4
A. (10km - 4m2)(25k2 + 4m2) B. 2m(5k + 2m2)(25k2 - 10km + 4km2) C. 2m(125k - 2m)(k2 + 10km + 4m2) D. 2m(5k - 2m)(25k2 + 10km + 4m2)
Solve.Jimmy put $700 down on a new sports car. He made 51 payments of $263 and spent $525 in maintenance and repairs. Three years after paying off the car he sells it for $4370. What is his net? Is it profit or loss?
A. $10,268, profit B. -$10,268, loss C. $2831, loss D. -$10,268, profit