a car is traveling at a speed of 65 mph. the car slows down 18 mph because of traffic, and then increases its speed by 13 mph. what is the car's speed now?
a) 55 mph
b) 60 mph
c) 70 mph
d) 75 mph

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Write the expression as a single natural logarithm. 2 in a - 4 in y