Mr. Nice's backyard has an area of 225 square feet. What is the length of one side of his backyard?

Ineed asap.i cant understand this question i need someone to me right away

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?