Select all expressions that are equivalent to 4 (3x+2) 12x + 2
12x + 8
7x + 6
4(3x) + 4(2)

How do i do this activity, is appreciated

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm