List the least to greatest 2.51%, 2.4%, 2.399%, 2.36%, 2.119%

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

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

Find dy/dx using implicit differentiation ln(20+e^xy)=y