Simplify.62
A. 12
B. 37
C. 36
D. 13
Answer: C
Mathematics
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Find the length of the curve.x = 
, 1 ? y ? 9
A. 20
B. 
C. 
D. 
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Solve.The sum of the squares of the digits of a positive two-digit number is 61, and the tens digit is 1 more than the units digit. Find the number.
A. 65 B. 54 C. 45 D. 56
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A man roller-blades at a rate 5 miles per hour faster than he jogs. In the same time it takes him to roller-blade 6 miles he can jog 3 miles. How fast does he jog?
A. 4 mph B. 3 mph C. 5 mph D. 1 mph E. 2 mph
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Without graphing the function, determine its amplitude or period as requested.y = 
cos (- 
x)Find the period.
A. 
B. 
C. 
D. 
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