Five less than the product of 14 and carlos's age

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Three coins are flipped. what is the probability that there will be at least two tails?

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !