Ashadow 16 meters long is cast by a fir tree that is 30 meters tall. what is the length of the shadow cast by a nearby sailboat mast that that is 15 meters tall?

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.

Write the equation in logarithmic form e^x=403.429

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days