Sole tan(x-pi) - cos(x-3pi/2)=0, x E (0,2pi]

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

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?

Factor 15x^3 - 5x^2 +6x-2 by grouping. what is the resulting expression