How many 5-digit numbers can be formed that do not contain the digits 0 or 8? Select one:
a. 16 807
b. 32768
C. 99 968
d. 40

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Identify this conic section. x2 - y2 = 16 o line circle ellipse parabola hyperbola

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.