. Sara teaches aerobics classes as a part-time job. The amount of money she earned is shown in the table below. Based on the information in the table, how much money will Sara earn after teaching 18 aerobics classes?

What is the distance between (–2 1/2,-3) and (1, –3)?

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.

Find the value of x to the nearest tenth.