Solve the equation please I need help
1/3(3x-1)= -1/7-2/7

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

What is the y-intercept of the line given by the equation

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