Math Quiz Bee (DIFFICULT Week 9)

The line graph below shows the monthly temperatures (in degrees Celsius) recorded in a city over six months.
January: 5°C
February: 6°C
March: 8°C
April: 12°C
May: 14°C
June: 18°C

Based on the graph, which month showed the greatest increase in temperature compared to the previous month?

A die is rolled 200 times, and the number 4 appears 45 times. What is the experimental probability of rolling a 4?

A box contains 15 letter cards labeled A to Z (with some letters repeated). The cards are randomly drawn, and the letters are recorded. After drawing 100 cards, the letter "B" appeared 12 times. What is the experimental probability of drawing a "B"?

In an experiment, a bag contains 3 red balls, 2 green balls, and 5 blue balls. If a ball is drawn, recorded, and replaced, then a second ball is drawn, what is the probability that both balls drawn are blue?

A game involves drawing cards from a deck containing 4 "A"s, 3 "B"s, 2 "C"s, and 1 "D". If a card is drawn at random, what is the probability that the card drawn is not a "C"?

A recipe calls for 3 1/2 cups of flour. If you are only making 2/3 of the recipe, how many cups of flour will you use?

Lara is measuring a fabric piece. The length of the fabric is 12.3578 meters. She cuts off a portion measuring 4.2463 meters. How much fabric is left?

A baker buys 2.75 kilograms of sugar and uses 1.125 kilograms for a recipe. Then, the baker buys an additional 0.375 kilograms. How much sugar does the baker have in total?

A baker buys 2.75 kilograms of sugar and uses 1.125 kilograms for a recipe. Then, the baker buys an additional 0.375 kilograms. How much sugar does the baker have in total?

A car travels 2 2/3 miles every hour. How many hours will it take for the car to travel 7 1/3 miles? After dividing, subtract 1/2 hour from the result. What is the final time?