The first ring is $50, the second ring is 37.50 and the third ring is 25.00
The total of the rings before tax is 112.50 and $121.50 after tax
Answer:
a^3 +r^2
Step-by-step explanation:
a is multiplied three times so it goes to a^3
r is multiplied twice so it goes to r^2
A graphing calculator or spreadsheet program can do this for you. Below is a plot from the Desmos on-line graphing calculator.
C as when they put more hours into the social media they will study less and less which leads to less test scores
First, square both sides. This will cancel out the radical.

(a^2 = b + 6)
Then subtract 6 from both sides
b = a^2 - 6