Amusic download service charges a flat fee each month and $0.99 per download. the total cost for downloading 27 songs this month is $42.72. how much is the flat fee?

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. 2 + 9 = −26 −3 − 7 = 13

What will be the end result for the taxpayer who filed his federal income tax return using the 1040ez form shown belowa he'll owe $173b he'll receive a refund of $173c he'll owe $3921d he'll receive a refund of $3921

Find the area of the shaded region.