A bag contains 6 red marbles, 4 blue marbles, 7 green marbles, and 3 yellow marbles. a marble is drawn from the bag and is not replaced. then a second marble is drawn.

What is the probability that both marbles drawn were red?

9/100

3/38

3/40

9/95

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5x + 3 = 7x - 1. Find x a. 1/3 b. ½ c. 1 d. 2

Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing. What could Sarah have written as the result from Step 1? 2 (x + 1) 2 + 6 = 134 Step 1 (x+1) 2 - 64 Step 2 2+1 = 18 Step 3 x = - 9 or x = 7 Step 4 Khan academy quiz

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