PLEASE HELP OMG I NEED TO FINISH THIS

What is the cosine equation of the function shown?

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 .

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Find the distance between the pair of points a(-1,8) and b(-8,4)