Sherri remembers seeing her brother punch in the number “9” as the first digit. Knowing one of the digits, what is the probability that Sherri will guess her brother’s code now?

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

Evaluate cos2θ for cosθ = square root of 3/2

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.