Which expression simplifies to m-2/m-1?

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Use this graph to find the cost of 6 show tickets