Dan builds identical model cars and sells them online. He records the numbers of models he completes every couple of hours. The graph shows Dan’s data. Choose two pairs of points on the line and calculate them. Is Dan’s productivity constant? Explain.

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.

What ia the sum if the first 7 terms of the geometric series

Simplify. 3(4+4x) (type your answer in with no spaces)