Determine whether or not the equations represent a direct variation. Sort the equations into the appropriate category. Direct Variation
Not Direct Variation
y = 3x
x= -1
y = (277)x
-0.5x = y
y = 2.2x + 7
y = 4

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.

Consider circle c with angle acb measuring 3/4 radians.if minor arc ab measures 9 inches, what is the length of the radius of circle c? if necessary, round your answer to the nearest inch.

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate