Answer:
4ab +10b
Step-by-step explanation:
Perhaps you want to simplify the expression.

Hello,
Let's assume x the time the express runs.
56*x=35*(1.5+x)
==>21x=52.5
==>x=2.5 h =2 h 30 min
Answer: the x or the input of a function
Step-by-step explanation:
Answer:
step 3 is wrong
Step-by-step explanation:
i know it because i did the unit test review