Serge estimates college tuition and fees, room and board, books, and other charges total $12,250. he will get a $250 scholarship. serge has 4 years to save. how much should he save per month to cover the costs of college (minus the scholarship)?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

What is the solution of the equation? 35√(x+2)3+3=27

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?