HELP I HAVE ONLINE CLASS QUESTIONS DUE TODAY

Note: I didn't solve all of them, but hopefully this still helps.

4.

   h*b = b*h because of the commutative property. for example if h= 3 and b = 5, 5*3 = 15 = 3*5

2.

   a) 2x + 20

   b) 5x + 5

   c) 10x + 20

   d) 72 + 36y

   e) 64 + 72

   f) 35y + 30

5.

   a) 10x + 10y + 10

   b) 12x + 20y + 4

   c) 56x + 24y + 16

Goodluck with your schoolwork/homework!

Apologies in advance for any errors or bad explanations.