Explain how to use the regression calculator to make a reasonable prediction given a data table.

If n stands for number sold and c stands for cost per item, in which column would you use the formula: ? a. column d c. column f b. column e d. column g

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.