PRECISION The chemistry teacher set out a 5-pound jar of salt at the beginning of the day. If each student needs 27.6 grams of salt for an experiment, how many students can perform the experiment before the jar is empty? (Hint: 1 lb = 454 g)

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

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.