Which fraction is closest to zero?

a.) 1/4
b.) 4/12
c.) 3/8
d.) 2/6

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.