Please help ill give brainiest

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

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 of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c