3. Harbour decided to go to the new coffee cart to get his friends coffee and hot chocolate. Each coffee costs $3 and each tea hot chocolate costs $2. Harbour spent $15 total, and bought 7 total drinks. How many coffees did Harbour buy? How many hot chocolates? Write the equations for the this situation. a. b. Using elimination, solve the system of equations you wrote in part (a).

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Analyze the diagram below and complete the instructions that follow. how to find tan