Kelly and Daniel wrote the following proofs to prove that vertical angles are congruent. who is correct?

If a postal worker can deliver the mail to 18 houses in 15 minutes, how many houses will the postal worker be able to deliver to in 1 hour?

The container that holds the water for the football team is 23 full. After pouring out 2 gallons of water, it is 12 full. How many gallons can the container hold?

If I toss a fair coin in real life and I get two heads in a row, does that change the probability of getting one tail in every two tosses? I know this sounds pretty stupid, but this is bothering me for a while.

A marble is selected at random from a jar containing 6 red marbles 3 yellow Marbles and 2 green marbles what are the odds in favor of selecting a red marble

What is the area of the trapezoid? 16 square units 24 square units 32 square units 36 square units

A man can see the top of a building at 65 degrees. He is standing 50 feet away with eye level of 5 feet. How tall is building

What property is demonstrated below? 17/3 times 3/17=1

A laptop computer is purchased for 2500. After each year, the resale value decreases by 25%. What will the resale value be after 4 years? Use the calculator provided and round your answer to the nearest dollar.

27.6 inches of rain fell over a 100 day period. What was the average amount of rain that fell per day?

A cone with radius 8 yd and a height of 16 yd