Hi everyone im a girl and 13 my name is gabby you guys

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?

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax