Xiaos teacher asked him to rewrite the sum 60+90 as the product of the gcf of the two numbers and a sum .xiao wrote 3(20+30).what mistake did he make? how should he have written the sum

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

What are the steps to solving the inequality 3b + 8 ≥ 14?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling