Given the sets
u = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9},
a = {0, 1, 4, 7, 9}, and b = {0, 4, 5, 6, 7}, use de morgan's laws to find the indicated set. (enter your answers as a comma-separated list. enter empty for the empty set.)
(a' ∩ b)'

What is the definition of exponential decay?

In which form is the following function written? y = - 2(x – 3)(x + 5)

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.