−5 < a − 4 < 2
+4 +4
-1 < a < 6
Answer is B. The second one
So first we add up all the marbles. Which would be 25. Then we look to see how many red marbles there are. There are 5. You have a 5/25 chance of drawing a red marble. But you can reduce that. So when it's all said and done you have 1/5 chance of drawing a red marble.
Hope this helps!
Answer:
21 hours
Step-by-step explanation:
84,000 = 4,000x, x = hours
84,000 ÷ 4,000 = x
x = 21
<em>good luck, i hope this helps :)</em>
Answer:
A
Step-by-step explanation:
.
You would subtract 3x from the left side, and get -2 = -2x, so x=1 would be your answer
