Which set of expressions are not equivalent? (4a + 2) + 3 and 5 + 4a 3a + 7 +2a and 7 a + 5 0.5a + 3.5 + 4a and 3.5 + 4.5a 18a + 14 and 6a + 12 + 2 + 12a

The expression 20l+25g-10 calculates the number of dollars that the abc lawn company. how many dollars does the company make from raking 444 gardens and mowing 333 lawns

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent