What is the value of 2a when a is 2

What is the product? (6r - 1) (-8r - 3) A=-48r2 - 10r + 3 B=-48r2 - 10r - 3 C=-48r2 + 3 D=-48r2 - 3

What is the probability of drawing a 3 letter name? 2/10 or 1/5

In how many ways can 5 students be seated in a row of 5 chairs if jack insists on sitting in the first chair

May i ask what the sum of 2 plus 2 is

Study the following data set. {8,15,9,18,9,17,22,10,11,9,13} What is the interquartile range of the data set? Enter your answer as a number, like this: 42

The sales totals at Macy's food store have increased exponentially over the months. Which of these best shows the sales in the first three months?

There are 613 students split into different 24 different classes about how many students are in each class

Maria's family hosts a barbeque every month in the summer. In May, they bought 3.2 pounds of hamburger and 3 packages of hot dogs. In June, they bought 1 1/2 times as much hamburger and 1/3 as many hot dogs. Hamburger costs $4.

A bag Contains rubber bands with lengths that are normally distributed with a mean of 6 cm of length, and a standard deviation of 1.5 cm. What is the probability that a randomly selected nail is between 4.5 and 7.5 cm long?

Is the function y = 8x - 4 linear or nonlinear?