67 8 but mostly 6 i know it but it's confusing

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4