What does an upside down triangle mean in math?

The mayor of a town wants to find the probability that families with three children have all girls. Which simulation will best model the situation? 1.) a numbered cube rolled 3 times 2.) three coins flipped 10 times 3.

15 in. 15 in. 4/3 ft. 4/3 ft.

Product 2xy+3 and x-4

How many times can 10 go into 8000

What are the domain and range of f (x) = 2 (3x) ?

A boy, who is 5 ft. 6 in. tall, casts a shadow 2 ft long. Find the height of the pole if it casts a shadow 2 yards long

What is the volume of this rectangular prism? 3ft by 6 1/4 ft by 14 ft

For a family gathering, Marcos uses the recipe below to make a lemon-lime punch 1/4 gallon lime juice 2/3 gallon lemon juice 1 1/4 gallons carbonated water How woul you decide the size of a container you need for one batch of the Lemon-Lime Punch?

Y = arctan (-4x) when dy/dx at x = 3

Alvin is 7 years older than Elga. The sum of their ages is 97. What is Elga's age?