If i have two peaces of gum in my butt and poop one out how many are left

Which expression is equivalent to 2x^2+7x+4?

The table shows the total distance that myra runs over different time periods. which describes myra’s distance as time increases? increasing decreasing zero constant

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)