Marbles to white marbles in a bag is 4 to 5 at this rate how many blue marbles are there if there are 15 white marbles

If value of cos330° is √3/2 then find tan165°.

John kept track of how many baskets were made in a basketball game. after 4 minutes, 5 baskets were made. how many baskets were made between 9 and 10 minutes? a. 0 b. 1 c. 2 d. 3

What is the approximate difference in tenths between √12 and √15?