How many zero pairs can be created in the model below? 2 x tiles and 1 negative x tile. 3 plus sign tiles and 2 negative tiles.
0
1
2
3

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

2/3(-6y+9x) expand each expression using the distributive property

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?