Perform the following calculations.(+8)(+22) + (+2)(+22)
A. 220
B. 54
C. 50
D. 132
Answer: A
Mathematics
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Factor out the greatest common factor. Simplify the factors, if possible.9m(9 - m) + 5n(9 - m)
A. (9m - 5n)(9 - m) B. (9m + 5n)(9 - m) C. 9(m + n)(9 - m) D. m(9 + 5n)(9 - m)
Mathematics
Use a proportion to solve the problem.The ratio of the width to the length of a picture frame is 8 to 13. If the width of the frame is 14 inches, what is its length?
A. 27 inches B. 22 inches C. 8.6 inches D. 22.75 inches
Mathematics
Solve the system of equations.
A. x = 4, y = 0, z = -3 B. inconsistent (no solution) C. x = 4, y = -3, z = 0 D. x = 0, y = -3, z = 4
Mathematics
Find all numbers that are not in the domain of the function. Then give the domain using set notation.f(x) = 
A. -3, 3; {
x ? -3, 3}
B. 1; {
x ? 1}
C. -3; {
x ? -3}
D. none; (-?, ?)
Mathematics