A scientist obtained a sample that contained 80 grams of radioactive Barium-122 that decays exponentially over time. The amount of Barium-122 that remained in the
sample at observed times is shown in the table.
Time
Mass Remaining
(minutes)
(grams)
0
80.0
1
56.6
2
40.0
3
28.3
4.
20.0
If the radioactive decay continues at the same rate, what is the amount of Barium-122
remaining at 7 minutes (to nearest tenth of a gram).

What is the best reason for jacinta to have a savings account in addition to a checking account

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.

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave