For extra pointspart 1 is in picture and part 2 isfind the measure of the unlabeled angle in the previous question. a) 40°b) 70°c) 110°d) 140°

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?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

Can you me find the missing length. i attached an image.