100 POINTS

A company has 25 employees. One day, 8 letters that did not have names on the envelopes arrived for 8 different employees. The mail sorter placed each letter randomly in a different employee's mailbox.

Which expression represents the probability that all of the letters went to the correct employees?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer