Answer:
True
Step-by-step explanation:
Cant really provide step by step per se.
Answer:
3^√54
Step-by-step explanation:
-x^3=-54
-x=3^√54
Answer:
(x + 2)(x - 5)
Step-by-step explanation:
Here are the steps:

For lines to be perpendicular they would need to have opposite slopes, so for a slope of -3/7 the slope of a perpendicular line would be 7/3