9x^2+5x-1=0 use quadratic formula to solve for x

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?

Ribbon a is 1/3 meters long. it is 2/5 meters shorter than ribbon b. what's the total length of 2 ribbons?

Which functions have a y-intercept that is greater than the y-intercept of the function g(x) = |x + 3| + 4? check three options. f(x) = –2 (x – 8)2 h(x) = –5 |x| + 10 j(x) = –4(x + 2)2 + 8