What I’m so confused but i hope you get the awnser from someone eklse not me
You will need to find the equations of the perpendicular bisector of the two sides and then find the intersection of those two lines. Choose two sides and use midpoint formula to find their midpoints.
*Someone had the same questions and that's her answer. LOL*
Answer:
A. 
Step-by-step explanation:
E = v + Ir
E - v = Ir (subtract by v on both sides)
(E-v)/I = r (divide by I on both sides)

Answer:
Step-by-step explanation:
(12 dollars)/(8 cups) = (12/8 dollars)/cup = (1.5 dollars)/cup
21 dollars × (1 cup)/(1.5 dollars) = 21/1.5 cups = 14 cups
315 / 9 = 35
35 feet per second