What is the value of x? x−2/5=7 enter your answer in the box in the simplest form.

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

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.

Tell whether the two rates form a proportion