Gold chain with an original price of $120 is on sale for $96 what is the percent of the discount

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

If the alternate hypothesis of an experiment is “the true mean height of the giraffes is more than 15 feet” what is the null hypothesis?