How many like terms are in the expression? 14x-14y+7-x+z+2x (answer) no options : 3

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

Which table represents a linear function? i'll give brainliest to first answer ^'^

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)