Distances to stars of often measured in parsecs rather than in light years. one parsec is about 3.26 light years. use scientific notations to write the number of kilometers in one parsec to three significant digits

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap