Using the method of gauss to find the sum 2 + 4 + 6 + ... + 300

What is the period of the sinusoidal function ?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?

On which number line are -3 and its opposite shown