Question

Plzzzzz help i need this for my homework thx :)

Answer 1

`-1.9d+5.4h-18`

Hope this helps :)

-ilovejiminssi ♡

Answer 2

=4.1d+5.4h−18

Let's simplify step-by-step.

8h−0.9d−18+5d−2.6h

=8h+−0.9d+−18+5d+−2.6h

Combine Like Terms:

=8h+−0.9d+−18+5d+−2.6h

=(−0.9d+5d)+(8h+−2.6h)+(−18)

=4.1d+5.4h+−18