The mean of a set of numbers is 40. What does that mean?
A. What you would expect to get on average is 40.
B.
50% of the data is more than 40, and 50% is less than
40.
C.
The spread of the data (from the highest to the
lowest) is 40.
D. The number that appears the most often is 40.

Find the solution of this system of equation -7x+y=-20 9x-3y=36

In the diagram below? p is circumscribed about quadrilateral abcd. what is the value of x

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5