Perform the indicated operation. Simplify if possible.
- 
A. 3x
B. 3
C. 
D. 
Answer: B
Mathematics
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Solve.A rectangular box with volume 374 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 3x2 + 
B. C(x) = 4x + 
C. C(x) = 3x2 + 
D. C(x) = 2x2 + 
Mathematics
Factor the trinomial:
a. 
b. 
c. 
d. 
Mathematics
Factor.15 + 11z - 12z2
A. (15 + 4z)(1 - 3z) B. (3 + 4z)(5 - 3z) C. (3 - 4z)(5 + 3z) D. (15 + z)(1 - 12z)
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
What temperature was recorded at 11 a.m.?
A. 79 ° F B. 75 ° F C. 77 ° F D. 78 ° F
Mathematics