Please help I need the answer quick and please be correct of you don’t know it don’t answer I beg you.

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?

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180