Which of the following does not apply to a convex lens ?

Alivestock company reports that the mean weight of a group of young steers is 1100 pounds with a standard deviation of 93 pounds. based on the model n(1100,93) for the weights of steers, what percent of steers weigh a) over 1050 pounds? b) under 1300 pounds? c) between 1150 and 1250 pounds?

The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?

Which of the following is an example of motion in two dimensions?