Which of the following is the rule for the sequence 6, -6, 6, -6…? 6)n-1

6(-1)n-1

(-6)n-1

-6(-1)n-1

Which of the following expressions is equal to 2x^2+8

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.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2