Combine like terms. 8b + 6b − 16 = ?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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.

Ebert used to make $22 an hour, but got a 10% raise. how much more will he make in a 40 hour work week with raise?