Two apples and 5 bananas cost 4.20
three apples and seven bananas cost 5.95

Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y

Asunflower was 20 1/2 inches tall. over the next 6 months, it grew to a height of 37 inches tall. what was the average yearly growth rate of the height of the sunflower? ? plz write a proportion to solve i will give you 100 points

What is the perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?