Sandy uses a ratio of 3 cups of popcorn to cups of M&Ms to make her delicious trail mix. If she uses 9 cups of popcorn, how many cups of M&Ms does she need? I need an answer ASAP

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15