fomular you say :speed =distance taveled divide by time traveled .......hope this will help
Answer:
B.
Step-by-step explanation:
When reflecting over the x-axis:
(x, y) (x, -y)
The y changes signs (+, -)
Answer:
2960 ft.........is the difference between -40ft and 3000ft
26x3=78
78-x=72
x=6
She needs to buy at least 6 more to have enough for 26 students

Explanation
Step 1
We know that the general equation for a circle is

where
(h,k) is the center of the circel
and r is the radius
then, all we need to do is replace
Let

replace the values

therefore, the answer is

I hope this helps you