Answer:

Step-by-step explanation:

All we can do here is combine like terms (add those that have the same the same exponent)

Good luck!
Answer:multiply
Step-by-step explanation:6x4 but i aint sure tho
Answer:
-13t - 5z
Step-by-step explanation:
-6t + 2z - 7z - 7t
= -13t - 5z
Answer:

Step-by-step explanation:
Given the formula;

We want to solve the given formula for r.
Multiply both sides by 


Take square root of both sides





