Help this is my final and i have to pass

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earned $75 in interest. how much interest will she earn during the following year?

Find the equation in slope intercept form parallel to y=5x + 2 that pases through (-6,-1)