2(x +9) - 7x +4 simplify expression

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way