30 POINTS find the answer using elimination method! I need help and I don’t understand! The answer will be in (x, y) form

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1

Suppose i flip two identical coins. what is the probability that i get one head and one tail?