John works at a ice cream shop he made 4hours how much money would he make in 9 hours

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?