Answer:
Step-by-step explanation:
7) (b+3) + 6
combine like terms = b + 9
8) 7 + (3+t)
same as 7 combine terms again = 10 + t
9) 9 x (k x5)
distribute the 9 into the parenthesis= 9k x 45
10) 1 + ( h + 2)
Same as 7 and 8. combine terms = 3 + h
