Evaluate the express
4(11+7)-9•8

If 20% of a number is 35, what is 50% of that number?

Ineed if you could explain and give me the answer you! this needs done

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.