Please help me answer these! Also, please provide steps so i can learn how to do so on my own!

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 .

Show all work to identify the discontinuity and zero of the function f of x equals 6 x over quantity x squared minus 36

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale