Answer:
Total cost of meal = $188.60
if he paid 15% and left 15% altogether =15%+15%
=30%
Hence,the total cost will be
= $188.60 * 30/100
=$56.58
I hope this helps
Survey means: to look carfully or thoroughly at something; examination or description
or
construct a map or plan
Answer:

Step-by-step explanation:
we are given a logarithmic equation

we want to rewrite it as exponential equation
remember that,

here our a is 9,b is 2 and c is 2x-1
altogether
our exponential equation is

and we're done!
Answer:
Yes since 40+30=70 so it would be the same
Step-by-step explanation:
1) √8/2, 2, √7
2) -10, √100, 11.5, √220