What is the slope of the line whose equation is 5x+2y=10 ? −25negative 2 fifths 252 fifths −52negative 5 halves 52

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Nine more than four times a number is the same as one less than twice the number. find the number?

I'm confused on this could anyone me and show me what i need to do to solve it.