Answer:
See Explanation
Step-by-step explanation:

16b^6 sqrt 6a would be the answer
You can see that the two angles (38° and 7) form a line or 180°. So, angle 7 and 38° must add to 180°. So, angle 7 is:

Your answer is
142°.
Answer:
a. The probability of getting an specific sequence would be

b. The probability of having an specific sequence would be.

Step-by-step explanation:
a. If you draw 5 marbles without replacement, the probability of getting an specific sequence would be

b. If you draw 5 marbles all at once without replacement, the probability of having an specific sequence would be.

Answer:
B) 25
Step-by-step explanation:
46 = x + 21
Subtract 21 from both sides
x = 25