Add
a³b(a²-2a+3) and 2ab(a³+3a²-5b)
please answer this question step wise​

Step-by-step explanation:

i hope it helps you!! :)))

1/4 because there is 4 grades.

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i