What is the lowest common multiple of three and eight

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

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?