PLS ANYONE Give brainliest Suppose we want to choose 2 colors, without replacement, from the 3 colors red, blue, and green. A. How many ways can this be done, if the order of the choices matters?
B. How many ways can this be done, if the order of the choices does not matter?

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Given abcd ac=38 and ae=3x+4 find the value of x