Use the polynomials f(x) = 3x2 – 1, g(x) = x + 2, and h(x) = –x2 – x to evaluate and simplify the given expressions. Determine the degree of the resulting polynomial.

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?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?

Sole the equation 6n + 9 = -3n - 21 - 6 for n