2x³ + 3x² = x(x²) + (x- 2)² check weather the conditions is quadratic equation. plz help me guys. ​

Acontractor needs 54 square feet of brick to construct a rectangular walkway. the length of the walkway is 15 feet more than the width. write an equation that could be used to determine the dimensions of the walkway. solve this equation to find the length and width, in feet, of the walkway.

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .