Please Help I’m failing geometry and I need to pass this

Find the value of the variable and the length of each secant segment.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

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