Solve and check.
= 
A. x = 
B. x = 64
C. x = 12
D. x = 1
Answer: B
Mathematics
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If y varies inversely as x, write a general formula to describe the variation.y = 40 when x = 
A. y = 200x
B. y = 
C. y = 
D. y = 
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Find the limit. 
a. ? b. ? c. 0 d. 5 e. -?
Mathematics
Use ratios or conversion factors to convert the measures of time. Round to hundredths.9 minutes to seconds
A. 216 sec B. 540 sec C. 270 sec D. 108 sec
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Factor when possible.4x2 + 49
A. (2x + 7)2 B. (2x + 7)(2x - 7) C. (2x - 7)2 D. Prime
Mathematics