Three more than four times a number is twenty-three. n=?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]