-86x + 4 for the original answer
Answer:
x=9
y=15
Step-by-step explanation:
it's a parallelogram, the sides parallel are equal
You have to replace d woth 3 in formula
7d^2+10=7*(3)^2+10=7*9+10=63+10=73
d is the correct answer
-8x2-x +5 hope this helps