Simplify.
A. 
B. 
C. 
D. 
Answer: B
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Indicate the metric unit that would be best used to express the mass of the object.A living room sofa
A. kilograms B. grams C. metric tonnes D. milligrams
Multiply the polynomials.(x2 - 4)(x2 + x - 2)
A. x4 + x3 - 6x2 - 4x + 8 B. x4 + x3 - 4x + 8 C. x4 - 4x2 - 4x + 8 D. x4 + x3 + 6x2 - 4x + 8
Perform the conversion.190 L = ____ cm3
A. 190,000 B. 19,000 C. 0.19 D. 1.9
Solve the problem.Consider the quadratic model h(t) = -16t2 + 40t + 50 for the height (in feet), h, of an object t seconds after the object has been projected straight up into the air. Find the maximum height attained by the object. How much time does it take to fall back to the ground? Assume that it takes the same time for going up and coming down.
A. maximum height = 50 ft; time to reach ground = 2.5 seconds B. maximum height = 75 ft; time to reach ground = 1.25 seconds C. maximum height = 50 ft; time to reach ground = 1.25 seconds D. maximum height = 75 ft; time to reach ground = 2.5 seconds