21/4 cups of raisins are used to make 4 servings of trail mix. how many cups are in each serving

Me asap! what is the slope of this line? enter your answer in the box.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?

Arectangular garden measures 5m by 7m. both dimensions are to be extended by the same amount so that the area of the garden is doubled. by how much should the dimensions increase, to the nearest tenth of a metre?