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:

Step-by-step explanation:

Answer:
15
Step-by-step explanation:
All sides of a rhombus are equal, so

Answer:
true.
Step-by-step explanation:
Answer:
Decimal Form:
4.99873244
Step-by-step explanation:
geometry is the worst. but i have a way to remember how to find the area. (Apple Pies are too --> A=πr^2 --> area = pie×radius^squared) so basically you sub in 78.5 in for area and then you solve for r.
Hope i helped kinda lol