Asap worth 25pts

what are the like terms of this expression9a - 3b 4ab
a) 9a and -3b

b) 9a and 4ab

c) 9a, -3b, and 4ab

d) no like terms

stephen was make party bags for his little brother’s party. they have to make a total of 10 party bags. they had 34 toy cars to place in the party bags and want to make sure each child received the same number of toy cars. how many cars did each child receive? what does the remainder mean in this problem?

a) each child will receive 3 cars and 4 cars will be left over.
eliminate

b) each child will receive 4 cars and 3 cars will be left over.

c) each child will receive 3 cars and no cars will be left over.

d) each child will receive 4 cars and no cars will be left over

a store charges $8.95 for an 8 ounce jar of maple syrup. the price for a 10 ounce jar of the same brand is $12.00. which jar is the better buy? what is the difference in the unit prices? if necessary, round to the nearest cent.

a) 8 ounce jar; $0.08
eliminate

b) 8 ounce jar; $0.15

c) 10 ounce jar; $.12

d) 10 ounce jar; $0.08