Whats the answer to this problem
7a(3b-2c+4)

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?