Convert 7 inches x 8 inches to si units

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Is the square root of 4 plus the square root of 16 rational?

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.