Which equation describes the line graphed above?

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?