Solve the compound inequality. Express the solution using interval notation. Graph the solution set.x + 6 < 5 and -6x < -30
A. (-?, -1)
B. (-1, 5)
C. (-?, -1) ? (5, ?)
D. ?
Answer: D
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Solve the problem.Find the amount of money in an account after 6 years if $4600 is deposited at 5% annual interest compounded quarterly.
A. $6205.48 B. $6164.44 C. $6186.49 D. $6197.81
Solve the problem.Suppose the government wants to impose a tax on fossil fuels to reduce carbon emissions. The cost benefit is modeled by 
where x represents the dollars of tax per ton of carbon emitted and P represents the percent reduction in emissions of carbon. (P is in decimal form.) Determine P when 
Round to three decimal places.
A. 1.776 B. -0.19 C. -0.218 D. 0.224
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent if necessary.Mary Gomez bought a new computer system. To pay for the system, she borrowed 
from the credit union at 8
% simple interest for 85 days. Find the interest owed. (Use a 365 day year.)
A. $73.75 B. $65.95 C. $68.70 D. $295.00
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.110% of what is 11?
A. 
= 
B. 
= 
C. 
= 
D. 
= 