Andrea bought tacos from a food truck and left a 25% tip of $2.00.
What was the price of Andrea's tacos, before tip?

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

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.