The amount of gas that a helicopter uses is directly proportional to the number of hours spent flying. the helicopter flies for 22 hours and uses 1616 gallons of fuel. find the number of gallons of fuel that the helicopter uses to fly for 44 hours.

Complete the square to determine the minimum or maximum value of the function defined by the expression. x2 − 12x − 2 a) maximum value at 38 b) minimum value at 38 c) maximum value at −38 d) minimum value at −38

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 .

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b