The temperature outside is currently −8°F. Write a subtraction problem showing how many degrees the temperature would need to change in order to reach 7°F.

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

Find the nonpermissible replacement for binthis expression.b2/5b +5

What is the measure of angle 1? a.28 b.152 c.168 d.64