How do I graph y=1/2x+7

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

The table shows the number of hours orlando spent at football practice last week. select the appropriate numbers below to complete the model to find the number of hours orlando spent practicing on tuesday and friday.

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce