Simplify the expression: 4x2 − 8y + 3x − 9x2 + 10y

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

In δabc, m∠acb = 90°, cd ⊥ ab and m∠acd = 45°. find: a find cd, if bc = 3 in

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122