A car having an initial velocity of 12 meters per second east slows uniformly to
2 meters per second east in 4.0 seconds.
The acceleration of the car during this
4.0-second interval is
A. 2.5 m/s2 west
B. 2.5 m/s2 east
C. 6.0 m/s2 west
D. 6.0 m/s2 east

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.)

1) in triangle the, what is the measure of angle t (in degrees)? 2) in triangle bat, the measure of angle b is 66∘, and the measure of angle t is 77∘.what is the measure of the exterior angle at a (in degrees)?

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9