A triangle has a perimeter of 71cm. If the three sides of the triangle are n, 4n+3, and 4n−4, what is the length of each side?

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?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4