6. A gas tank on a tractor is shaped like a rectangular prism. The tank is 3 feet by 1 foot by 1.5 feet. If 1 gallon = 231 inches’ and gas is $3.15 per gallon, then how much does it cost to fill the gas tank?

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?