Antonia is factoring the polynomial, which has four terms. 21x^3-63x^2+15x-45,3[7x ^3-21x^2+5x-15], 3[7x^2(x-3)+5(x-3)]21x^2(x-3) b. 36x^2(x-3) c. 3(7x^2+5)(x-3) d. 3(12x^2+5)(x-3)

What are two numbers that have a sum of 15?

Which problem would you use the following proportion to solve for? 24/x = 40/100 a. what is 40% of 24? b. what percent is 24 of 40? c. twenty-four is 40% of what number? d. forty percent of 24 is what number?

The side of a square is 3 and 5/2 inches