Classify the angle as acute, obtuse, straight, or right.
A. Obtuse
B. Right
C. Straight
D. Acute
Answer: D
Mathematics
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Factor the trinomial, or state that the trinomial is prime.x2 + 3x - 28
A. (x - 7)(x + 1) B. (x + 7)(x - 4) C. prime D. (x - 7)(x + 4)
Mathematics
Factor out a factor with a negative coefficient.-25u4 + 15u3 - 10u
A. 5u(5u3 + 3u2 - 2) B. -5u(5u3 - 3u2 + 2) C. -5u4(5 - 3 + 2) D. None of these
Mathematics
Find the integral.
Mathematics
Solve.A triangle has a base 2 cm more than the height. Assuming that the area of the triangle is 12 cm2, find the measure of the base. Note: Use the formula A = 
to assist you. 
A. 4 cm B. 6 cm C. 2 cm D. 7 cm
Mathematics