1 What is a rule that you can you solve in addition equation without using a model? 2 How can the number family 3,4,7 help you to solve the equation
3+x=7?

please help this is due at 6:27

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?