The expression
(tanx+cotx)2 is the same as
O A. cos2x+ sin2x
O B. sec2x+ csc2x
O C. tan2x+ cot2x
O D. sec2x+ cos2x

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

What are the domain and range of the function f(x)=2^x+1

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.