Help!

. If CB=4, AD=10 and AB=6, decide whether line segment AB is tangent to circle c.

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

Aline that intersects one of two parallel lines intersects the other also always sometimes never

Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)