Factor the polynomial using the greatest common binomial factor.x(x - 7) + 9(x - 7)
A. (x + 7)(x - 9)
B. (x2 - 7x)(9x - 63)
C. (x - 7)(x - 9)
D. (x - 7)(x + 9)
Answer: D
Mathematics
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Multiply or divide as indicated. Write the answer in lowest terms.
? 
A. 28
B. 2
C. 
D. 1
Mathematics
Find all the local maxima, local minima, and saddle points of the function.
A. f
= 20, saddle point; f
= 20, saddle point
B. f
= - 60, local maximum
C. f
= 20, saddle point
D. f
= 20, local minimum; f
= 20, local minimum
Mathematics
Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 31°, find the length of OU accurate to four decimal places. 
A. 1.1666 B. 0.8572 C. 1.9416 D. 0.5150
Mathematics
Graph the numbers on a number line.- 3
, - 
, 0, 
A. 
B. 
C. 
D. 
Mathematics