22. If 1 student is selected at random from the table below, what is the probability that the student is from a family that has 3 or 4 children?
A) 2/9
B) 2.27
C) 7/27
D) 1/3

What is the definition of exponential decay?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter