A particular fruit's weights are normally distributed, with a mean of 406 grams and a standard deviation of 9 grams. If you pick one fruit at random, what is the probability that it will weigh between 379 grams and 394 grams

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Asap! i'm not good math and i'm lost.