A caterer charges $123 to cater a birthday party for 20 people and $239 for 30 people. Assume that the cost, y, is a linear function of the number of people, x.
How much would a birthday party for 88 people cost?

While scuba diving, rajeev dove to a depth of 12.6 feet below the surface of the water and then descended another 8.7 feet. what expression can be used to find rajeev's new position? 12.6 – 8.7 –12.6 – 8.7 –12.6 – (–8.7) 12.6 – (–8.7)

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number

If a || b and e || f , what if the value of y ?