Buy 5 for $12 and buy 4 for $15
Answer is a because a^-2 will be changed to 1/a^2
Hope that helps
Its not really hard you just have to explain when like its not really complicated
Answer:

Step-by-step explanation:
In the decimal of −12,405, leave the −12 and divide 405 by 1000 for now:

Greatest Common Divisor [GCD]: 5
Finally, you attach this back to the −12, giving you
.
I am joyous to assist you anytime.
Answer: C) 150°
Step-by-step explanation: all the angles are the same