What value of the y will make this expression equal to 2.45

What kind of bond pays interest which is exempt from tax?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

50 will mark show all use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2x+9y= -26 -3x-7y=13