Need to find the value of x in the questions shown. I'm really struggling. Help would be appreciated. Thanks!!

Plot the points (0,6), (3,15.8), and (9.5,0) using the graphing tool, and find the function

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Jordan has $5.37, which he is using to buy ingredients to make salsa. he is buying one red pepper for $1.29 and three pounds of tomatoes. if jordan has exactly the right amount of money he needs, what is the price per pound of the tomatoes? choose the correct equation to represent this real-world problem. solve the equation and verify the reasonableness of your answer. a pound of tomatoes costs .