Alan had 6 books. he read 1/3 of the books last week. how many books did alan read last week?

Given a circle with measures of (c, d, and r) and a circle with measures of (c', d', and r'), what is d if c c' = 12 and d' = 0.50? a) 3 b) 6 c) 12 d) 24

Acircle has a diameter of 10 what is the area of the circle? use 3.14 for pi. round to the nearest hundredth

To start to solve the system of equations below, which number would you multiply in the equation -2x-5y=-1? the two equations are -2x-5y=-1 and 4x+2y=8