Please answer these!

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Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?