Answer:
Its the domain of real numbers Written diferently ( R ) or in interval notation ( ( ( −∞, +∞ )
Step-by-step explanation:
Inverse property is being shown
Answer:
7/60
Step-by-step explanation:
U find the common denominator, subtract how you would with negative and postive integers, and check if you can simplify
I know it is -1 cause of the root of equation