PLEASE HELP!! ILL MARK WHOEVER IS RIGHT BRAINLIEST

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial

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.

There are 2 ones, 1 five,3tens, and 1 twenty. if there are 28 bills in her wallet, what would you predict is the approximate value of all the bills