How many times dose 18 go into 170

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so