if there are 39 people in a room and everyone has to shake hands with everyone exactly once, how many handshakes are there?

What is the value of 3 minus (negative 2) ? A number line going from negative 5 to positive 5. - 5 - 1 1 5

56 is 75% of what number?

How to find domain and range of a graph

X-7/10=1/6? solve for x

Negative numbers have positive square roots. O A. True B. False

A cube with faces numbered 1 through 6 is rolled 75 times and the results are given in the table below

The number 13 is less than the number of hours Nathan's volleyball team trains in a week. Which of the following inequalities represents the number of hours that the volleyball team trains in a week? A. x > 13 B. x = 13 C. x < 13 D. x = 12

A tree is 4 feet 4 inches tall, how tall is it in inches

A sequence of squares is made of identical square tiles. The edge of each square is one tile length longer than the edge of the previous square. The first three squares are shown. How many more tiles does the seventh square require than the sixth

Fractions whose numerators are 1 such as 1/2 or 1/3 are called unit fractions describe a method you can use to add two unit fractions mentally