Abag contains 9 marbles: 3 are green, 4 are red, and 2 are blue. martina chooses a marble at random, and without putting it back, chooses another one at random. what is the probability that the first marble is red and the second is blue? write your answer as a fraction in simplest form.

Asap! i'm not good math and i'm lost.

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.