Which polynomial is a perfect square trinomial? a. 49x^2 − 28x + 16 b. 4a^2 − 20a + 25 c. 25b^2 − 20b − 16 d. 16x^2 − 24x − 9

What is the distance between the points (2, 5) and (5,9)?

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar, how much will the car be worth in 8 years?

Is the response to the survey question "did you smoke in the last week question mark "response to the survey question "did you smoke in the last week? " a discrete random variable, a continuous random variable, or not a random variable?