If 40 people shake hands with each person in the class, how many handshakes

If you have 2 and 1/4 cases of crayons and each pack has 24 boxes and each box has 8 crayons how many crayons are there in all

What is the least common multiple (LCM) of 8 and 11?

A boy mentions that none of the 21 kids in his third-grade class has had a birthday since school started 56 days previously. assume that kids in the class are drawn from a population whose birthdays have the same probability on all days of the year.

A square is shown having each side equal to 0.75 inch. Each side of the square has a triangle on it. The height of the triangle is labeled as 0.8 inch. What is the surface area of the figure? A. 0.5625 square inch B. 0.7625 square inch C. 1.

Is the equation y=-75 a function of x

You can upgrade lighting at your factory to LED bulbs that costs $6.95 each and last an average of 5 years. It costs $3.00 in labor to change a bulb.

Four students from 30 member math club will be selected to organize a fundraiser how many groups of 4 students are possible

Use cross products to solve the proportion 4/3 = x/12

The circumference of a circle is 62.8mi. what is the diameter?

2400 divided by 300?