Simplify the given expression below: 2 divided by the quantity of 2 plus 5i

An isosceles trapezoid was broken into a rectangle and two triangles. what are the base and height of one of the triangles?

Walter is to make cookies for a basketball tournament. he's made 15 cookies so far. his coach asked him to make at least 20 cookies but no more than 55. solve the inequality and interpret the solution. 20 ? x + 15 ? 55

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?