A 10.0 mL sample of copper has a mass of 89.6 g. What is the density of copper?

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i