In 15 calls to the help line what is the probability that it will be busy every time? at least 12 times?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°