Jon wanted to solve this problem: Given that sin 0=1/4, what is the value of cos 0? What did he do wrong?

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?

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120