Thing thing thin thing

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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