Helppp i need help yall

Find the distance between (0,5) & (-4,2)

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.