The numbers on two consecutively numbered gym lockers have a sum of 135. what are the locker numbers?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

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.