Solve the problem.The diameter of a rubber ice-hockey puck is 3.1 inches. What is the area of one flat side of the puck? Use 3.14 as an approximation for 
A. 9.734 sq in.
B. 3.77193 sq in.
C. 7.54385 sq in.
D. 30.1754 sq in.
Answer: C
Mathematics
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Find the slope of a line tangent to the given curve at the given point.y = 13 sin x; x = ?/3
A. - 
B. 
C. 
D. 
Mathematics
The power, in watts, dissipated as heat in a resistor varies directly with the square of the voltage and inversely with the resistance. If 70 volts are placed across a 70-ohm resistor, it will dissipate 70 watts. What voltage across a 10-ohm resistor will dissipate 250 watts? ?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Simplify.66 - (24 - 7)
A. 35 B. 49 C. 17 D. 42
Mathematics
Perform the indicated operation.(7m5 - 8m4 + 6m) + (2m5 - 2m4 + 5m)
A. 9m5 - 10m4 + 11m B. 9m - 10m5 + 11m4 C. 10m10 D. 8m5 + 5m4 - 3m
Mathematics