Solve the problem.A ramp L ft long has an incline of ?. The work W needed to move an object weighing P lb up the ramp is given by W = PL(sin ?). To the nearest unit, find the work needed to move a trunk when: 

A. 792 ft-lb
B. 959 ft-lb
C. 871 ft-lb
D. 3840 ft-lb


Answer: C

Mathematics

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Solve the problem.How many different ways can you make change for a 25-cent coin using nickels and pennies?

A. 6 ways B. 5 ways C. 4 ways D. 7 ways

Mathematics

Solve by graphing.The value y (in hundreds of dollars) of Juan's computer is approximated by the linear equation  where x is the number of years since he first bought the computer. Graph the equation and use the graph to estimate the value of the computer 2 years after it was purchased. 

A. $900 B. $760 C. $600 D. $700

Mathematics

Solve the problem.The information in the chart gives the salary of a person for the stated years. Model the data with a linear equation using the points  and   

A. y = 1000x B. y = 28.7x + 23,500 C. y = -1247x + 23,500 D. y = 1000x + 23,500

Mathematics

Multiply. 

A. - 
B. 1
C.
D. - 

Mathematics