Answer:
It is unequal because PEMDAS states that exponents are above multiplication. In this case, it can be simplified to -1 * 7^2, which is -49.
Answer:a
Step-by-step explanation:
so easy and obvious dude
81/293
and that is the simplest form because 293 is a prime number
1st and 3rd are right
m5n5 15m2n2