9. given a = {1, 2, 3, 4, 5, 6, 7, 8, 9} and b = {2, 4, 6, 8}, what is a∪b?

Evaluate cos2θ for cosθ = square root of 3/2

The paint recipe also calls for 1/4 cup of food coloring. tyler says mrs. mcglashan will also need 6 cups of food coloring. do u agree or disagree? explain.

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?