If four times a whole number is subtracted from three times the square of the number, the result 15 is obtained. find the number

Atown has a population of 7000 and grows at 3% every year. to the nearest year, how long will it be until the population will reach 12400?

Atruck travels from a factory to a gas station in 4 minutes. it stops at the gas station for 3 minutes. the truck then returns to the factory in 3 minutes. which graph best represents the distance, y, in miles, of the truck from the factory for a certain amount of time, x, in minutes?

Iam a fraction greater than 1/2 and less than 6/8