WHAT SHOULD m∠1 BE IN ORDER FOR THE SKIER TO MAXIMIZE HER SPEED THROUGH A GATE? WHICH THEOREM JUSTIFIES YOUR ANSWER

Can someone me with these two circle theorem questions asap?

The function models the number of accidents

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.