If a = -3 then what is the value of 2a

pls help <3

Question 5 spring semester final exam math evaluate

Ajar contains a mixture of 20 black marbles, 16 red marbles, and 4 white marbles, all the same size. find the probability of drawing a white or red marble on the first draw. 125 12 01 next question ask for turn it in

The only way to identify an intercept is as an ordered pair. true false