Write and expression to represent the total number of legs on c cats and b birds. how many legs are there in 4 cats and 6 birds?

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?

Two airplanes start at the same place and travel in opposite directions, one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Write the equations in logarithmic form 10^3=1,000