Prove the identity. show all work. tan(x-pi/4)=tanx-1/tanx+1

Lines b and c are parallel. what is the measure of 2? m2 = 31° m2 = 50° m2 = 120° m2 = 130°

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Aculture started with 2,000 bacteria. after 8 hours, it grew to 2,400 bacteria. predict how many bacteria will be present after 19 hours . round your answer to the nearest whole number. p=ae^kt