If x and y varies directly as each other and x = 4 when y = 16. find y when x = 9

Is the point (0, 8) on the x-axis or y-axis? how do you know?

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

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.