Determine the sum. Write your answer in scientific notation. 4.4 × 104 + 12.3 × 104 = ?

Question 25 options:

1.67 × 105

54.12 × 104

16.7 × 108

–7.9 × 104

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 .

Which of the following is a justification used while proving the similarity of triangles lom and mon

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip