On Friday, from 5:00 p. m. to 11:00p. m., the temperature changed an average of -1.25 F each hour. What number represents the total change in temperature, in degrees Fahrenheit, from 5:00 p. m. to 11:00 p. m.? Enter your answer in the space provided.​

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 .

What is the value of x in the following equation. -x ^3/2 = -27

If the discriminant if a quadratic equation is 4 which statement describes the roots?