Answer:
The radius of the circle is 
Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have

assume

substitute and solve for r



Answer:
The slope would be -1 :)
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
i had it
1/4
because not a lot of students have both gender as siblings!
Answer:
Step-by-step explanation:
Discount = 20% of 129.99

= $26
Price after discount = 129.99 - 26 = $103.99
Tax = 8.5% of 103.99

= $8.84
Selling price including tax = 103.99 + 8.84
= $112.83
Amount saved = 129.99 - 112.83
=$ 17.16