What’s is the length of the lower base, zx? and which angle has a sine ratio of 4/5?

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.

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Hi my sisters and brothers can tell me the answer because i don’t understand the question