16 + 28 = ___ ´ (4 + 7).

Answer this question! 30 points and brainliest! only if you know the answer.

10x − 5y + 14 = 0 whats the answer pls

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.