Answer:
84 feet
Step-by-step explanation:
he will need 84 ft to cover the entire garden
Answer:
The sale price is 
The expression is 
Step-by-step explanation:
we know that
The sale price is equal to subtract the discount price from the original price
The discount price is equal to multiply the original price by the percent discount in decimal form
Let
x ----> the sale price
y ---> discount price
----> percent discount in decimal form


substitute

therefore
the expression is

Answer:
18
Step-by-step explanation:
81π=πr^2
r= 9,-9
9+9=18
I’m so sorry but I do not understand the question-could u explain