Answer:
Answer is B.
Explanation:
Everything else is in Order:
- D: no solution,
- B: a = 0,
- A: 2 = 1,
- D: no solution,
- C: x = 1,
- B: x = -8/9,
- C: a = 3,
- The bases were not the same when the exponents were set equal to each other.
16 should have been written as 4 squared.
The exponent on the right should be 4a instead of 8a.
The correct solution is a=-3/4.