Weighted average in the olympics, the athlete received a 75% score on the compulsory exercises, which are weighted 60%. in the optional round, weighted 40%, the athlete recieved a 90%. what was the weighted average score?

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