Allison practices her violin for at least 12 hours per week she practices for three fourths of an hour each session if allison has already practiced 3 hours this week how many more sessions remains for her to meet or exceed her weekly practice goals.

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

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 .

Ihonestly have no clue if it's each or none.