The circumference of a circle varies directly as its radius. If the circumference of a circle is 18 cm when the radius is 3 cm, find the circumference if the radius is 4 cm. (a)24 cm (b)13.5 cm (c)6 cm (d)54 cm

7friends share 4 pizzas equally how much pizza did each friend get

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =