Solve the problem.Students in a math class receive a B if the average of their four test scores is between 75 and 85. Raul scored 71, 82, and 88 on the first three tests. Within what range must his score on the fourth test lie if he is to get a B?
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at 
and 
. The cross sections perpendicular to the x-axis between these planes are squares whose bases run from the parabola 
to the parabola 
.
A. 432 B. 450 C. 75 D. 225
Mathematics
Find the mean, median, and mode for the data set shown:
140, 142, 148, 151, 160, 161, 168, 172, 172, 181, 182, 188, 190.
Mathematics
Use the distributive property to rewrite the sum or difference as a product. Simplify the answer if possible.2c + 7c
A. 5c B. -5c C. 14c D. 9c
Mathematics
Simplify.
A. 
B. 2
C. 
D. 
Mathematics