Find the rate of change ffor Y=4/5x-7/5

The surface area (sa) of a cube with a as the length of each of its sides is given by the formula . if the surface area is known, how can you rewrite the formula to find its side?

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Find the value of x for which abcd must be a parallelogram -9-6x x-30