The one about distibutive property?

What is the point-slope form of the equation for the line with a slope of -2 that passes through (1,4)?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.