How do you find the equation for the side of the trough if we only have the length and width(shown y=2x/3) i just don’ t understand it. Please this is for a final exam. Will mark BRAINLIEST for good explanation.

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?