Find the standard equation of the circle that satisfies the conditions.
center (-1,-3), passing through the point (3,0)

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

The graph below represents which system of inequalities? a. y< -2x+6 y< (or equal to) x+2 b. y< (or equal to) -2x+6 y c. y< 2/3 x - 2 y> (or equal to) 2x +2 d. none of the above