Answer:
1. 30 mins
Step-by-step explanation:
Answer:
Add 4 to both sides
x<7
Step-by-step explanation:
Answer:
The 3rd option is correct.
Step-by-step explanation:
This is because of an exponent rule that goes:
(xy)^z = x^z(y^z)
The whole thing gets raised to the power. Therefore only the 3rd one works (ps. if you can mark as brainliest that would be amazing, but if not that's fine)
What ever you do to one number you have to do to the other