Within one !
mr. hackney wants to winterize his motorhome and need 40% antifreeze solution. how much pure antifreeze should he add to 30 liters of 20% antifreeze to make the 40% antifreeze

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle