a student purchased 7 binders for a total of $8.61. Write an equation that can be used to find the cost of each binder, n, in dollars. What is the cost ,in dollars, of each binder?

$1.23

Step-by-step explanation:

divide 8.61 by 7 binders to get the final answer of $1.23

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

your answer would be 10x - 1