Answer:
6x + 12y = 816
Step-by-step explanation:
6 dollars per regular admission
12 dollars per both dance and volleyball
in total 816 dollars
Answer:
281474976.711
Step-by-step explanation:
Let

be the identity matrix. Then pick whatever matrix you like for

.
Answer:
Yes
Step-by-step explanation:
They are congruent because they gave the same dimensions.