If x-y=5, find the value of
3 −
3 − 15

What is the area of triangle abc if a = 8, b = 11, and c = 15?

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.