Simplify this expression:
16 + 28 ÷ 2 – 6
10 – 4 x 2

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

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?

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)