Write the equation of the parabola whose vertex is V(2, -8) and passes through P(1,-5).

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?