Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 45°, find the exact length of US. 
A. 0
B. 
C. 
D. 1
Answer: D
Mathematics
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Divide.
A. 2x2 + 2x + 3 + 
B. x2 + 3 + 
C. 2x2 + 2x + 3 + 
D. 2x2 + 2x + 3
Mathematics
Graph using the slope and the y-intercept.y = -2x - 5
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. - 
B. 
C. 
D. -12
Mathematics
Solve the problem.An art teacher knows that for a price of $20 per student, she can enroll 40 students in her pottery class. However, for each decrease of $2 in the price, she can expect 10 more students. What price will maximize her revenue from the class?
A. $8 B. $17 C. $14 D. $26
Mathematics