Prove that (sinx+sin2x)/(1+cosx+sin2x)=tan x

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes