Amazon is offering free shipping on orders that total at least $200. Isabella already has $45 worth of goods in her cart, and fi
nds a deal on jewelry accessories for $15 a piece. What is the least number of accessories Isabela must buy in order to get free shipping on her order?
C. Use the formula for area of a triangle 1/2(Base * Height). Using that we see that we have 1/2(a*b) + 1/2(c*c) + 1/2(a*b). Cleaning this up we get 1/2(2ab+c^2)
