13) (4T, 1C) Consider the figure below. Determine expressions, in simplified form for area of the shaded region. SHOW all your steps and if necessary, briefly EXPLAIN your reasoning.
4x +7
5x
2x
3.x
Find the perimeter

Need on this geometry question. explain how you did it.

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.

Which graph represents the linear function below? y-3=1/2(x+2)