Solve the problem.The area A of a triangle is 10x2 + 7x - 12. If the height of the triangle is 2x + 3, find the length of its base.
A. 2(5x + 4)
B. 2(5x - 4)
C. 5x - 4
D. 
Answer: B
Mathematics
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Solve the problem.Which of the pairs of numbers whose sum is 78 has the largest product?
A. 39 and 39 B. 38 and 40 C. 30 and 48 D. 29 and 49
Mathematics
Solve the problem.A bag contains 6 apples and 4 oranges. If you select 5 pieces of fruit without looking, how many ways can you get 5 oranges?
A. 6 B. 10 C. 0 D. 24
Mathematics
Insert <, >, or = to make the statement true.-47 
-85
A. < B. = C. >
Mathematics
For the given functions f and g, find the requested function and state its domain.f(x) = x + 6; g(x) = 7x2Find f + g.
A. (f + g)(x) = -7x2 + x + 6; all real numbers B. (f + g)(x) = 7x2 + x + 6; all real numbers C. (f + g)(x) = 7x2 - x - 6; all real numbers D. (f + g)(x) = 7x2 + x + 6; {x|x ? -6}
Mathematics