Answer: Yes; 63 • 73 is equal to (6 • 7)3 or 423.
Step-by-step explanation:This is the answer because if you multiply the 6 and 7 you get 42 and you leave the exponent which in this case is 3 leaving you with 42^3
Answer:
Jessica's work (B)
Step-by-step explanation:
I just took quiz & got it right.
Hey there!
First we need to
add by

on each of your sides
Like:

This gives us:

Now we have to

by

on each sides
Like:


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It is a pentagon. The sum of all angles of pentagon is 540°.
A)

B) x+20 = 93+20 = 113°. The adjacent exterior angle is 180 - 113 = 67°