Charlie is the quarterback for the cougars football team. His team had three penalties in a row for -5 yards each. How many yards does this put the cougars from where they began before the penalties

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

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?