Can anyone help me with this please ?

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

The base of a rectangular pyramid is 13 inches long and 12 inches wide. the height of the pyramid is 8 inches. what is the volume of the pyramid

One x-intercept for a parabola is at the point (-0.33,0). use the quadratic formula to find the other x-intercept for the parabola defined by the equation y=-3x^2+5x+2