Since they have the same base we can just add all the exponents
-3+ 10= 7
keep the base so the answer is
12^7
Its a bc of the roation it made to a 90 degrees
8) red and 1, red and 2, red and 3, blue and 1, blue and 2, blue and 3
So answer is 6
9) 0.5*1/3 = 0.17
10) 0.5*2/3 = 0.33
Answer:
y = 6x - 47
or
6x - y - 47 = 0
Step-by-step explanation:

3x=4x-9
x=9
x-2.25=6.75
Tanya spent $9 on each item; Tony spent $6.75 on each of his items.