Anickel pyramidal paper weight has a square base of sides 5 cm and a height of 3 cm. what is the mass of a dozen such paper if the mass of 1 cm3 of nickel is 8.9 g? '

Akitchen floor is made up of tiles that are in the shape of the triangle shown there are 40 tiles on the kitchen floor what is the total area of the floor

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

Atemperature of 1.64◦f corresponds to answer in units of ◦c.