Well 5 + 4 is 9, and so if the girls are 5 in the ratio, the fraction would be 5/9. I hope this helps!
Divide the 10 by 4, which makes the x be 2.5. You can check it by multiplying 4 by 2.5, which will give you 10.
The top would the width, the 7. would be height and the last would be the lemgth
Step-by-step explanation:
base is 12, hypotenuse is 20
so X² is h²-b²
so X=16
Oof I didn’t learn about this you can ask a class and go over it