<span>the missing exponent is
19
</span>

<span>
</span>
I hv no idea about this one sorry
Answer:

Step-by-step explanation:
7y⁴ = 7y²(z - 3ax)
Divide both sides by 7y².
y² = z - 3ax
Add 3ax to both sides. Subtract y² from both sides.
3ax = z - y²
Divide both sides by 3a.

Answer:
I hate when people do that so I always say thanks when people give legit answers
Step-by-step explanation: