Combine the like terms to create a equivalent expression: 8r+7-6r-5

Which of the following is the correct ratio for converting kilograms to grams

Y+ 2/y is it a polynomial in one variable or not? and if so, why?

Areflection of shape i across the y-axis, followed by a , and then a translation left 6 units and down 4 units confirms congruence between shape i and shape ii. alternatively, a of shape ii about the origin, followed by a reflection across the y-axis, and then a translation right 4 units and up 6 units confirms congruence between shape ii and shape i.