The middle term of the trinomial has been rewritten. Now factor by grouping.t2 + 8t + 3t + 24
A. (t + 8)(t - 3)
B. (t - 8)(t - 3)
C. t(t + 35)
D. (t + 8)(t + 3)
Answer: D
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Solve the problem. Assume the x-axis is horizontal, the positive y-axis is vertical (opposite g), the ground is horizontal, and only the gravitational force acts on the objects. A projectile is launched from the origin at an angle of ? radians to the horizontal and an initial speed of 
Find the position function r(t) for this projectile.
A. r(t) = (175t cos ?)i + (175t sin ? - 16t2)j B. r(t) = (175t sin ? - 16t2)i + (175t cos ?)j C. r(t) = (175t sin ?)i + (175t cos ? - 16t2)j D. r(t) = (175t cos ? - 32t2)i + (175t sin ?)j
Solve.Find the equilibrium point for the given supply and demand functions. Here y represents price and x represents quantity. y = 456 - 3x (demand) y = 3x - 300 (supply)
A. 453, $303 B. 126, $78 C. 78, $126 D. -300, $456
Solve the system of linear equations. x - 7y = 82x - 7y = 9
A. (2, 1) B. No solution C. (1, -1) D. (2, -2)
Find the indicated term of the geometric sequence.a1 = 1728, r = 
, n = 4
A. a4 = - 
B. a4 = -27
C. a4 = 27
D. a4 = 