PLEASE HELP
A balloon has a circumference of 28 in. Use the circumference to approximate the surface area of the balloon to the nearest square inch.

784 in2

2,463 in2

998 in2

250 in2

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers

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?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0