Factor the trinomial completely. If the polynomial cannot be factored, write "prime."x4 - 3x2 - 10
A. (x2 - 10)(x2 + 1)
B. (x2 - 5)(x2 + 2)
C. (x2 + 5)(x2 - 2)
D. prime
Answer: B
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The base of a ramp sits on the ground. Its slope is 0.4 feet per foot. It extends to the top of the front steps of a building 20 horizontal feet away. ? A: How high is the ramp 1 horizontal foot toward the building from the base of the ramp? ? B: How high is the top of the steps relative to the ground?
What will be an ideal response?
Identify the interval where f is increasing or decreasing, as indicated. Express your answer in interval notation.f(x) = (x + 1)2 + 9; increasing
A. (-?, 0] B. (-?, -1] C. [9, ?) D. [-1, ?)
Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 
A. 40 mi B. 20 mi C. 6.3 mi D. 10 mi
Provide an appropriate response.Find 
if 3x2 + 7xy + y2 = 19
Fill in the blank(s) with the appropriate word(s).