Multiply and simplify if possible.
(
+ 
)
A. 
+ 
B. 5
+ 5
C. 
D. 10
Answer: A
Mathematics
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Solve the problem.An open-top rectangular box has a square base and it will hold 256 cubic centimeters (cc). Each side has length x cm and height y cm. The box's surface area is given byS(x) = 
+ x2.
Estimate the minimum surface area and the value of x that will yield it.
A. 256 cm2 when x = 8 cm B. 108 cm2 when x = 8 cm C. 192 cm2 when x = 8 cm D. 256 cm2 when x = 6 cm
Mathematics
Express the interval in set-builder notation and graph the interval on a number line.[-2, 4)
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Mathematics
Find fraction notation for the percent in the problem.The interest rate on a car loan was 9.34%.
A. 
B. 
C. 
D. 
Mathematics
Verify that the equation is an identity.sin(x + y) - sin(x - y) = 2 cos x sin y
What will be an ideal response?
Mathematics