A scientist recorded the amount of substance Z present in an ongoing chemical reaction. This table gives the amount of substance Z over the first 15 minutes. The data can be modeled using an exponential function. Time (min) 3 6 9 12 15
Substance Z (g) 6.2 3.84 2.38 1.48 0.92

Based on the data, which measurement is closest to the amount of substance Z that will be present after 30 minutes?

0 g
0.08 g
0.14 g
0.46 g

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b? 1. define a variable for the situation. 2. write an inequality that represents the situation. 3.solve the inequality to find out how many months he needs to keep the website for site a to be less expensive than site b. 4. using words, describe how many months he needs to keep the website for site a to be less expensive than site b.

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

What is the solution to the equation in the & show work i’m very