Please show your work

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The expression 1.01*1.005(^t) gives the amount of money, in thousands of dollars, in carter's savings account (t) years after he opens it. what does 1.01 represent in this expression?

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