Answer:
80n - 64p + 72
Step-by-step explanation:
8(10n) + 8(-8p) + 8(9)
80n - 64p + 72
The answer is 19.6 cm^2
you should find the height of the triangle by heron formula: it will be 9.8
so the area is
good luck
Because the x numbers are used more than once it cannot be a function. As for the the relation if its going through the origin then it would be a relation. im going to go with D