If sin(x)=1/2, what is cos(x) and tan(x)? explain your steps in complete sentences

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Combine the information in the problem and the chart using the average balance method to solve the problem.