Plsss school is done hurt plsss answer really quick

Which number completes the inequality? 2/3 < _ < 7/9

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.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer