Bill notes that his apple tree, of height 4 meters, is four-fifths the size of his pear tree. How tall is the pear tree?

Can someone pls ! pls answer all. no explanation needed..

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

You are a male who just graduated from college with a bachelor's degree. you have a job paying $50,780.00/yr. a. how does your salary compare to the yearly median earnings for a male with a bachelor's degree? b. what is the difference between the yearly median earnings for a male with a bachelor's degree compared to a male who does not attend college after earning a high school diploma?