The following numerically ordered sequence of numbers has a mean of 17 and a median of 18. 7, a, 12, 15, 17, b, 20, 22, 24, 25 given this information, the values of a and b must be:

Airline passengers arrive randomly and independently at the passenger-screening facility at a major international airport. the mean arrival rate is 10 passengers per minutes. compute the following probabilities. p(x = 4) p(x > 11)

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related