They will tip $8.10.
How to Do it/ Work:
18 * 0.45 = 8.1
Answer:
The answer is 6(3-4x) because I just did on a test
The length of side bc is 28
Answer:
Im sosorry my internet is so poor sorry.
Answer: 729
Step-by-step explanation:

3^-2 = 1/9
3^-4 = 1/81
(-1)^2 = 1
1/(1/9 * 1/81 * 1)
1/ 1/729 = 729