Mrs. Metheney had some donuts. She bought 8 more, and now has 18 in total. Write the equation using d as your variable

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

What is the y-intercept of the line given by the equation

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