Riley solved an equation, as shown in the table. Step
1
Statement
-21 + 4 = 3
-20 + 4 - 4 = 3 – 4
2
3
-20 = -1
4
5
= =
I = -1

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Mason and christian go to the movie theater and purchase refreshments for their friends. mason spends a total of $45.75 on 3 bags of popcorn and 6 drinks. christian spends a total of $71.50 on 6 bags of popcorn and 4 drinks. write a system of equations that can be used to find the price of one bag of popcorn and the price of one drink. using these equations, determine and state the price of a drink, to the nearest cent.