Dimensions of a floor the perimeter of a rectangular floor is 78 feet. find the dimensions of the floor if the length is twice the width.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

3x = 729 solve for x plz . it's urgent. will mark

Acompany had forty one employees and ordered nine hundred eighty uniforms for them. if they wanted to give each employees the same number of uniforms, how many more uniforms should they order so they don't have any extra