Solve the problem.The grade resistance F of a car traveling up or down a hill is modeled by the equation F = W sin ?, where W is the weight of the car and ? is the angle of the hill's grade (? > 0 for uphill travel, ? < 0 for downhill travel). What is the grade resistance (to the nearest pound) of a 2100-lb car traveling downhill on a 5° grade (? = -5°)?
A. 183 lb
B. -2105 lb
C. 2105 lb
D. -183 lb
Answer: D
Mathematics
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Find a number to replace the question mark so that the given fractions are equivalent.
= 
A. 12 B. 15 C. 14 D. 7
Mathematics
Rationalize
Mathematics
Multiply.-5 ? 
A. 
B. - 
C. 90
D. 
Mathematics
Solve the problem.An insurance company has written 96 policies of $50,000, 500 of $25,000, and 946 of $10,000 on people of age 20. If the probability that a person will die at age 20 is .001, how much can the company expect to pay during the year the policies were written?
A. $0 B. $267,600 C. $2676 D. $26,760
Mathematics