If Robert buys a candy bar for 78 cents, how much change does he get back from a one-dollar bill?
32 cents
23 cents
22 cents
33 cents

The table shows the distance traveled over time while traveling at a constant speed.

Can someone me with this problem . show your work .

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.