Si tengo dos fracciones en entre parentesis y unaa potencia negativa cual se da vuelta para que la potencia se positiva EJ;

(3/1 + 4/1)^2

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

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

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?