What is the ratio 16 to 40 written as a fraction in lowest terms ?

Ily begins solving the equation 4(x – 1) – x = 3(x + 5) – 11. her work is shown below. 4(x – 1) – x = 3(x + 5) – 11 4x – 4 – x = 3x + 15 – 11 3x – 4 = 3x + 4 how can her partial solution be interpreted?

Factor this polynomial completely x^2-64

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air