Find the sum of the first 8 terms of the sequence.
1, -3, -7, -11,

1. what is the measure of ∠abc? what is the measure of ∠abd?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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