A bag contains some counters. .
There are 300 counters in the bag.
There are only red, white and blue counters in the bag.
23
The probability of picking a blue counter is
50
The ratio of red counters to white counters is 2:1.
.
Calculate the number of red counters in the bag.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

(50 points) drag each description to the correct location on the table. each description can be used more than once. some systems of equations and their graphs are given in the table. for each system, place the description(s) in the box that correctly describe the type of system shown. :