Which expressions are equivalent to the following?
30x^-5x-10

5(2x − 1)(3x + 2)
(10x − 5)(3x − 5)
5(2x + 1)(3x − 2)
5x(6x − x − 2)
3x(2x − 1) + 2(2x − 1)
-5(-6x2 + x + 2)

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.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Write the fraction for the part that is shaded. then find the equivalent fraction.