Math 7.
i need with adding linear expressions.

add the following linear expression:

(-9x - 5) + (-3x - 3) =

Brent wants to know what is 5 x 1/2

Find the value of the variable and the length of each secant segment.

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%