What is the equation of the line that is the perpendicular bisector of the segment with (-3,9) and (5,1) as endpoints?
y=x+4
y= x -4
y=-x -4
y= -x + 4

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *