find the mode of the following distribution. class 0-20 20-40 40-80 80- 100. frequency 10 35 52 61 38

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Two cities a and b are 1400km apart and lie on the same n-s line. the latitude of city a is 23 degrees. what is the latitude of city b. the radius of the earth is approximately 6400km.