Solve.
- 9 = -7
A. 38
B. -36
C. -38
D. 36
Answer: D
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Divide.
A. r2 + 4r + 8
B. 7r2 + 8r + 
C. 7r2 + 8r + 4
D. 7r2 - 8r - 4
Solve.Two angles of a trapezoid are 45° each. Suppose the lengths of the parallel sides are a and b. Find the height of the trapezoid (the distance between the parallel lines) in terms of a and b.
Fill in the blank(s) with the appropriate word(s).
Identify the parts of each expression. Choose from these labels: variable, constant, and coefficient.
g
A. 
is a coefficient; g is a variable.
B. 
is a coefficient; g is a constant.
C. 
is a variable; g is a constant.
D. 
is a variable; g is a variable.
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.3m2n2 - 48m2n + 180m2
A. 3m(n - 10)(n - 6) B. 3m2(n - 10)(n + 6) C. 3m2(n + 10)(n - 6) D. 3m2(n - 10)(n - 6)