Before a race, you start 4 5/8 feet behind your friend. at the half way point, you are 3 2/3 feet ahead of your friend. what is the change in distance between you and your friends from the beginning of the race?

Can someone check if i did this correct. it’s number 4 if you’re wondering.

What value of x is in the solution set of 4x – 12 s 16 + 8x?

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.