True or False? Our town is growing with a doubling time of 40 years, so its population will triple in 120 years.​

What is the missing step in this proof ?

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.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?