Solve the problem.Helen Weller invested $14,000 in an account that pays 11% simple interest. How much additional money must be invested in an account that pays 14% simple interest so that the average return on the two investments amounts to 12%?
A. $10,000
B. $11,000
C. $14,000
D. $7000
Answer: D
Mathematics
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Graph the function. State the domain and range.y = -2x2 + 20x - 55
A. 
Domain: ? Range: y ? - 5
B. 
Domain: ? Range: y ? - 5
C. 
Domain: ? Range: y ? - 5
D. 
Domain: ? Range: y ? - 5
Mathematics
Solve the problem.Let f(x) compute the cost of a rental car after x days of use at $44 per day. What is the interpretation of the solution of 
A. The number of days rented for $102 B. The cost of rental for 44 days C. The number of days rented for $44 D. The cost of rental for 102 days
Mathematics
Write the following in simplest form using positive exponents.
A. 
B. 
C. x11
D. x3
Mathematics
Write the indicated term of the binomial expansion.(2x + 8)3; 3rd term
A. 768x B. 96x2 C. 384x D. 64
Mathematics