Find the exact value of the expression using the provided information.Find cos(A + B) given that cos A = - 
, with A in quadrant III, and 
with B in 
A. 
B. 
C. 
D. 
Answer: D
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Solve the sales tax problem.The purchase price of a sofa is $1,005. If the sales tax rate is 6.8%, what is the overall price? Round to the nearest cent.
A. $683.40 B. $1,073.34 C. $68.34 D. $1,688.40
Fill in the digits for the given place values in the following whole number.8,151,718,441billions: millions:
A. Billions: 1, millions: 5 B. Billions: 1, millions: 7 C. Billions: 1, millions: 1 D. Billions: 8, millions: 1
Rewrite the fraction with the denominator indicated.Write 
with a denominator of 150x.
A. 
B. 
C. 
D. 
Solve the problem.Willie just bought a house. He made a $50,000 down payment and financed the balance with a 30-year home mortgage loan with an interest rate of 5.4% compounded monthly. His monthly mortgage payment is $505.38. What was the selling price of the house? Round your answer to the nearest dollar.
A. $141,545 B. $90,000 C. $149,000 D. $140,000 E. $145,550