Abucket filled w sand has a mass of 11.15 kg. when it is filled with water, the mass is 5.95 kg the mass of the sand is twice that of the water. find the mass of the bucket in grams

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

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

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).