What expression represents an equilateral triangle if all of the sides measure (6x - 6.3) as a sum? a) 2x + 2x + 2x - 2.1
b) x - 2.1 + x - 2.1 + x - 2.1
c) 2x - 2.1 + 2x - 2.1 + 2x - 2.1
d) 2x - 2.1 + 2x - 2.1 + 2x - 2.1 + 2x - 2.1

What expression is equivalent to 42x-56y

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.