Imagine that a new mathematical operation is being used. Its symbol is #. See the following equations.

1 # 1 = 2

3 # 5 = 34

6 # 9 = 117

10 # 14 = 296

Find the value of 15 # 19, and explain your reasoning.

Which is greater 5 gallons or 24 quarts

When the hour hand of a click goes around once, how many times does the minute hand of a clock go around?

Model 3 + (-4) on the number line

Ajar contains 2 red marbles, 3 blue marbles, and 1 green marble. What is the probability of selecting a blue marble? Leave the answer in fraction form in lowest terms.

A car travels 300 km in 6 hours. What is the average speed of the car?

Ken finished one-half of his homework problems at school. He finished two thirds of the remaining problems at home. He had 5 problems left. How many problems were there in total? A. 20 B. 25 C. 30 D. 40 E. 60

Akeem has 24 meters of rope. Which of the following lengths is equal to 24 meters? A 0.024 kilometers b 0.24 kilometers c 2.4 kilometers d 240 kilometers

X-intercept of the line whose equation is 8x+2y=4

If 400 reduced by two times my present age is 296, how old am I now?

Describe how to decide 64 is a prime number or composite number