Four triangles are shown. based on these triangles, which statement is true

A. w=75,because 45+60=105 and 180-75=75

B. w=105,because 180-(45+60)=75 and 180-75=105

C. w=285,because 45+60=105 and 105+180=285
D. w=165,because 180-60=120 and 120+45=165

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

If you apply the below transformations to the square root parent function, f(x) = vx, what is the equation of the new function? • shift 12 units right. • shift seven units down.

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number