(d^3)^5 is equal to d^(3^5), which is equal to d^243.
Answer:

Step-by-step explanation:

Negative. A negative number times a positive number is equal to a negative number. X multiplied by Y is a positive.
I can't answer unless you can provide a picture. Send a pic and I'll help!
Answer:
19
Step-by-step explanation:
49 - 20
19
hope it helps u