The cube of the sum of 4 and 9 times x divided by the product of 5 times x and the difference of x and 1 A.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

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.

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?