Provide an appropriate response.Multiply (x + a)(x + b). What is the coefficient of the x-term?
A. 2a + 2b
B. a + b
C. a - b
D. ab
Answer: B
Mathematics
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Find the area of the figure. Use 3.14 for ?. Round approximations to the nearest tenth.
a = 3.6 in., b = 3.6 in.
A. Not enough data B. 20.3 in.2 C. 40.7 in.2 D. 10.2 in.2
Mathematics
Determine whether the line through each pair of points is perpendicular. ? A(3, 9), B(7, 4) and C(-4, -13), D(1, -8) ?
A. not perpendicular B. perpendicular
Mathematics
Simplify.
A. 
n
B. 16
C. 
n
D. 
Mathematics
Simplify the expression. Assume that all variables are positive.(x6y9)1/3
A. x2y3 B. 3x6y9 C. x3y2 D. x18y27
Mathematics