Solve the problem.A lawyer charges $276 per hour to take a case. If we let h represent the number of hours she works on the case, build a variable expression for the amount she would charge for the case.
A. 276 ÷ h
B. h ÷ 276
C. 276h
D. 276 + h
Answer: C
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Solve the problem.For the pair of similar triangles, find the value of b.
A. 12 B. 18 C. 14 D. 6
Evaluate using the correct order of operation.
× 
+ 
× 
A. 
B. 
C. 
D. 
Solve the problem.An elliptical trainer is an exercise machine in which your foot moves in an elliptical path. On a typical machine, the length of the stride is about 24 inches and the height is varies from 2 to 6 inches depending on the settings. Write the equation for the path your foot takes if the total length of the stride is 24 inches and the total height is 5 inches.24 inches5 inches 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Factor.21x2y + 36x3 + 3xy2
A. (9x + 3y)(4x + y) B. 3x(3x - y)(4x - y) C. 3(3 + xy)(4 + xy) D. 3x(3x + y)(4x + y)