Y=3x+7
y=-4x+21
wuts the answer plz show work

—the graph shows how fast a strand of human hair grows. how many inches would the hair have grown in 5 months

Which value of c would make he following expression completely factored? 8x+cy

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online