Remove Parentheses and Simplify

question 63

Multiple Choice

Remove parentheses and simplify.
--4.9(9r + 9) + 3.9(5r + 7)

• A) -24.6r + 9
• B) -88.2r
• C) -24.6r - 16.8
• D) 4.1r + 4.1

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Definitions:

Semi-Annually Compounded

Describes the methodology of applying interest to a principal amount two times within a year.

Quarterly Payments

Payments made four times a year, typically for loans, mortgages, or other financial products.

Monthly Payments

Regular amounts paid each month towards the repayment of a loan or debt.

Nominal Rate

The interest rate stated on a loan or investment agreement, not accounting for inflation or other factors that affect the real rate of return.