Find the maximum value of the function f(x)=-x^2-3.7x-6.5 to the nearest hundredth

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?

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how

Solve 13 + w/7= -18 (w/7 is a fraction)