When the polynomial is written in standard form, what are the values of the leading coefficient and the constant?
5x + 2 – 3x2
the leading coefficient is 5, and the constant is 2.
the leading coefficient is 2, and the constant is 5.
the leading coefficient is –3, and the constant is 2.
the leading coefficient is 2, and the constant is –3.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Find the cosine function that is represented in the graph.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?