What are the like terms in this exspression 9a-3b + 4ab

there is  no like terms in this expression

Step-by-step explanation:

there is "a", "b" and "ab"

you cant combine anything because they are all different

Hope this helps!!

4.6875 pounds

step-by-step explanation:

b is 38 degrees.

a is 52 degrees.

this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .