Answer:
45
Step-by-step explanation:
5x-4y=
Let x=5 and y = -5
5*5 - 4 * (-5)
25 + 20
C
20+1+0.4
to rite in decimal expanded form you need to separate the numbers.
we see that we have a 20 and a 1. This means we write 20+1. You also see that this number has a decimal, 0.4 so our final answer would be 20+1+0.4
