The pass marks pf a mathematics test is 75% what percentage is the fail marks?

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction