Thirty clowns are in clown car. If all of the clowns in the car are either happy clowns or sad clowns, all of
the following are possible ratios of sad clowns to
happy clowns EXCEPT:
a).1:2
b). 1:1
c). 3:7
d). 4:1
e). 5:2

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6

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.

Factor and solve to find roots x squared -x - 90 =0