Answer:
1 is 2x45
2 is x348
3 is x78
4 is x89
Step-by-step explanation:
8 - 4s = 8 + 13
8 - 4s = 21
4s = 8 - 21
4s = - 13
s = -13/4
Hope it helps u mate
.5 is equal to 5/10
.05 is equal to 5/100
.09 is equal to 9/100
.9 is equal to 9/10
Hope this helps! Mark me and brainliest if it does!