Which of the following choices is the explicit formula for the following geometric sequence?

-0.1, 0.02, -0.004, 0.0008, -0.00016

a. an = 0.1(0.2)n
b. an = 0.1(-0.2)n-1
c. an = -0.1(-0.2)n-1
d. an = 0.2(-0.2)n-1
e. an = -0.1(0.2)n-1

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250