Through: (-2, -1), slope = -1

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?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18