Town a has an elevation of 148.3 feet relative to sea level. town b has an elevation of −4.8 feet. what was the difference between the elevations of town a and town b?

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no