Do all pyramids have a triangle base true or false

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

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

Find the percent error of the measurement 4 cm