Brad is 15 mi down the road when Carl leaves the rest area driving at 65 mi/hr. How long will it take Carl to catch up if Brad is driving at 60 mi/hr?

Answer these questions showing your work plz

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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