WHO CAN HELP ME WITH A READING SUMMARY FOR MY CRITICAL THINKING/ETHICS CLASS?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

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

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2