Which expression is equivalent to the given expression?

4p−84p−8

8−4p8−4p

−4p−4p

−4(p+2)−4(p+2)

4(p−2)

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.)

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

In angle pqr find the measure of