I need help finding the mean, median, mode, and range of 25.2, 45.5, 61.7, and 28.3

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Write 17/20 as a decimal and as a percent.

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.