Use dimensional analysis to answer the question. Which length is longer? 42 centimeters or 4.2 inches
A. 42 centimeters
B. They are the same length.
C. 4.2 inches
Answer: A
Mathematics
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Use the vertical line test to determine whether y is a function of x.
A. No B. Yes
Mathematics
The volume of a right-circular cylinder of radius r and height h is 
.
?
Suppose the radius and height of the cylinder are changing with respect to time t. At a certain instant of time, the radius and height of the cylinder are 6 and 3 in. and are increasing at the rate of 0.4 and 0.1 in./sec, respectively. How fast is the volume of the cylinder increasing?
?
A. 18 in3/sec B. 10.7 in3/sec C. 22.7 in3/sec D. 9.4 in3/sec
Mathematics
Write the fraction or mixed number as a percent.
A. 33
%
B. 3%
C. 30%
D. 3
%
Mathematics
Solve the system by the addition method, if possible.
?
What will be an ideal response?
Mathematics