Is x = 6 a solution to this equation 7-2x=1-5x+2x. how do you know? if not what is the correct solution

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 i had 1234 apples and 1 banana what is the total amount

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?