Find the polar equation of the conic with the focus at the pole, directrix x = -5, and eccentricity 2.

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

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