Tìm cực trị của các hàm số

z(x, y)= x^2- 2x+e^y-ey

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64