Use the model to solve for x.
a) x = 1
b) x = -1
c)
d)

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142