A circular railroad-crossing sign has a diameter of 30 inches. What is the area of the sign?

A. 30 square inches
B. 60gr square inches
C. 225 gr square inches
D.
900 square inches

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Draw a scaled copy of the circle using a scale factor of 2