If point C is the centroid of triangle RST and SD = 21, find SC. show your work.

Taking algebra two apex courses and need with these questions

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.