There are 25 people in a classroom. Each person shakes each other person's hand once

and only once. How many handshakes were there altogether?

Describe the error in the work shown below. Find an expression equivalent to 18 + 30. Factors of 18: 1, 2, 3, 6, 9, 18Factors of 30:1,2,3,5,6, 10, 15, 3018 + 30 = 6 (3 + 10)

Steve is 5 years older than his brother joe. in 4 years steve will be twice as old as joe will be then. how old is steve now?

Find perimeter of a rectangle that is 21 ft by 3 ft

Is 1/4 greater than or less rhan or equal to 2/5

Identify the perimeter of a rectangle in which h=9ft and A = 225xft2

Name the Property of Congruence that justifies the statement If XY = WX then WX = XY?

Which expression is equivalent to (4f^2/3) / (1/4f) A. 16f^3/3 B. f/3 C. 3/16f^3 D. 3/f

Miriam's house has a market value of $125,000. The tax accessor evaluated her property tax rate to be 42%. What is the assessed value of Miriam's house? Use the formula: Assessed Value = Market Value x Rate.

A set of data with 100 observations has a mean of 267. There are six outliners in the data set, which have a mean of 688 if the six outliners are removed, what is the mean of the new data set?

The minimum temperature for a particular day was 4 Fahrenheit below 0 the maximum was 16 Fahrenheit higher what was the maximum temperature