Abag contains 4 yellow marbles, 5 green marbles, 3 red marbles, and 2 blue marbles. if you choose a marble at random, what is the probability of of choosing a yellow marble?

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)