21 people travelled to a meeting. 12 used a train.
6 used a car.
7 did not use a train or a car.
Some used a train and a car.

Two people are chosen at random from those who used a train.
Find the probability that both these people also used a car.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15