1A coat is on sale. The original price of the coat is $82. The sale price is $74.50. A. What is the discount amount?

B. What is the discount expressed as a percent change?

somebody please help me.

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28