the b-clean car wash washed 128 cars in 3 hours. At that rate how many cars can they wash in 8 hours? write a proportion and solve HELP

What is the prime factorization of 230

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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