Solve the given applied problems involving variation.The time T necessary to make an enlargement of a photo negative varies directly as the area A of the enlargement. If 175 seconds are required to make a 
enlargement, find the time required for a 
enlargement.
A. 378 s
B. 486 s
C. 432 s
D. 324 s
Answer: A
Mathematics
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Express in standard notation.5.2853 × 107
A. 369.971 B. 52,853,000 C. 528,530,000 D. 5,285,300
Mathematics
Rewrite the expression with a rational exponent.(
)7
A. (23xy)2/7
B. 
C. 
D. (23xy)7/2
Mathematics
Find the time-and-a-half pay rate for the regular hourly pay rate.$8
A. $16.00 B. $12.00 C. $14.00 D. $11.20
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 
C. 
D. 
Mathematics