The function rule is y=2x-1. if the input is 3 what is the output. i need it important someone

Can someone me i’m confused. will give brainliest and a whole bunch of points

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.

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