Which of the following can not be used on a matrix when solving a system of equations?
a. interchange rows
b. multiply a row by a constant
c. add a constant to a row

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate.in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.