Choose the best answer.The outside temperature on a warm summer day might be about
A. 13.5° C.
B. 27° C.
C. 40.5° C.
D. 81° C.
Answer: B
Mathematics
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Solve the problem.A private airplane leaves an airport and flies due east at 175 mph. Two hours later, a jet leaves the same airport and flies due east at 315 mph. When will the jet overtake the plane?
A. 1
hr
B. 2
hr
C. 4
hr
D. 
hr
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log3
A. - 3log3x
B. 9 - 
log3x
C. log3x - 3
D. 
log3x - 3
Mathematics
Divide.
A. 215 B. 225 C. 22.5 D. 21.5
Mathematics
Solve the system.
A. 
B. 
C. 
D. 
E. 
Mathematics