Ayala biked 12.76 miles on sunday, 3.45 miles on monday, and 6.52 miles on tuesday. over those three days, about how many miles did she bike in all? estimate the answer by rounding to the nearest whole number.

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