1.   A GP has common ratio -3.  Given that the sum of the first nine terms of the progression is 703, find the first term.

What is the standard form of -5x^2+2x^4-11+x^3+3x

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?

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2