There are 25 counters in a bag. 12 are red, 5 are green and the rest are white. a counter is chosen at random. work out the probability that it is white.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?