The answer is A. I looked it up for you on an surface area calculator.
Answer: 10 units
Step-by-step explanation:
Use the distance formula(√(x1-x2)^2+(y2-y1)^2)

Thus, the radius of the circle is 5. Because the diameter is 2r, the diameter = 2(5) = 10
Hope it helps <3
Answer:
40 miles over the speed limit
Step-by-step explanation:
You want the difference between the two numbers so you subtract 45 from 85 which gives you 40
Answer:
x= 11, -15
Step-by-step explanation:
(4x + 5) + x^2 +1 0) = 180
x^2 + 4x + 15 = 180
x^2 + 4x + 15 - 180 = 0
x^2 + 4x - 165 = 0
x = 11, -15