Answer:

1.15(3×4+3-4z)

Solution

45×4+15×3-30×2z

multiply the monomials

45×4+15×3-60z

factor the expression

15(3×4+3-4z)

2.-2×׳t+36wh

solution

×׳×2t+12w×3h

remove the parenthesis

-×׳×2t+12w×3h

5.648a+24b

Solution

261a3+8b3

Step-by-step explanation:

I don't know the answer in 3,4

sorry