By what percent (%) will a fraction change if its numerator is decreased by 10% and its denominator is decreased by 70%?

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?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0