What are the odds against rolling a sum of 6 with the roll of two dice?

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Kevin's bank offered him a 4.5% interest rate for his mortgage. if he purchases 3 points, what will be his new rate?