Use a calculator to multiply the numbers.
(-284.3) · (-479.542)
A. -136333.7906
B. 136333.7906
C. 763.842
D. -763.842
Answer: B
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Solve the problem using the rule of 78s.A college student buys a used car for $5000. She makes a down payment of $1,100 and finances the balance at 8.5% APR over 24 months. Before making the 15th payment, she decides to pay the remaining balance on the loan. How much interest will the student save?
A. $53.18 B. $46.24 C. $58.49 D. $68.18
Express as a single logarithm and, if possible, simplify.
log s + 5logm
A. log (m5+
)
B. log 
C. log m5
D. log 
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 9
C. 
D. x2 + 9
Solve the problem.An angle above the horizontal is called an angle of elevation, and an angle below the horizontal is called an angle of depression. 
The pilot of a boat sees the light from a lighthouse at an angle of elevation of 13°. The light is on the shoreline, 350 feet above the dock. How far (to the nearest hundred feet) is the boat from the dock?
A. 1400 feet B. 2100 feet C. 1600 feet D. 1500 feet