Answer:
If you had a bill of $45.00 and left an 18% tip then you would have left an $8.10 tip.
The mathematical explanation is that if f(x) = x + 2 and y (x) = x -2, the relationship is inverse. Also, f(x) = -x and f(x) = 1/x to eliminate a zero value.
Answer:
12
Step-by-step explanation:
the lcm of 3 and 4 is 12
Remove the brackets
-5a + 9b + 7a combine -5a and 7a
7a - 5a + 9b
2a + 9b Answer
Don't go any further. There is nothing else to do. These are unlike terms and cannot be reduced or combined.