Which formula describes the following arithmetic sequence? remember that n represents the term number. 3, 5, 7, 9, an = 2 ∙ 3n - 1 an = 3 ∙ 2n - 1 an = 2 + 3(n - 1) an = 3 + 2(n - 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

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample

Vertical angles must check all that apply