72 348 675 125 what is the value of the 2 in 72

Mrs. gehrke said cheddar weighs 16.8 pounds. he actually weighs 15.2 pounds. what is the percent error?

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.

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project