Is it possible to write a sequence of 2021 numbers such that the sum of any three neighbor numbers in the sequence is negative, but the sum of all numbers is positive

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

What is a rational number between 9.5 and 9.7

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]