Multiply and simplify.
? 
A. 1
B. 
C. 0
D. 
Answer: A
Mathematics
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Solve.David recently switched to a long distance phone company which charges a monthly fee of $6.25 plus $0.05 per minute. A linear function that expresses the monthly bill B as a function of minutes used m is 
Graph the linear function. Use a domain of 0 ? m ? 300.
A. 
B. 
C. 
D. 
Mathematics
Use your estimation skills to pick the most reasonable answer. Do not solve the problem.797.22 - 0.8
A. 0.79642 B. 7.9642 C. 796.42
Mathematics
Evaluate the function.For f(x) = x2 + 9x, find 
.
A. 2x + h - 9 B. 2xh + h + 9h C. 2x + h + 9 D. x
Mathematics
A variable voltage in an electrical circuit is given by 
, where t is in seconds. Find the values of t when the voltage V equals 
.
A. 
B. 
C. 
D. 
E. 
Mathematics