3/2y- 3 + 5/3 z when y = 6 and z = 3

Given right triangle xyz, which correctly describes the locations of the sides in relation to

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years