In which expression should the exponents be multiplied ?...

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

What are the exclude value of mn+3m

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