Answer:
0.42
Step-by-step explanation:
divide 100÷42 then the answer is 0.42
It would be f= 1.25n+6.25/n
Y = 4
X = 12
I’m pretty sure^ I did this last unit btw
Answer:
Diagonals of a rhombus intersect at right angles
Therefore, 


![\leftarrow [combing \: like\: terms]](https://tex.z-dn.net/?f=%5Cleftarrow%09%5Bcombing%20%5C%3A%20like%5C%3A%20terms%5D)
![\leftarrow [subtracting \:102 ]](https://tex.z-dn.net/?f=%5Cleftarrow%09%5Bsubtracting%20%5C%3A102%20%5D)
![\frac{4x}{4} =\frac{78}{4} \leftarrow [dividing \: by\: 4]](https://tex.z-dn.net/?f=%5Cfrac%7B4x%7D%7B4%7D%20%3D%5Cfrac%7B78%7D%7B4%7D%20%5Cleftarrow%09%5Bdividing%20%5C%3A%20by%5C%3A%204%5D)

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