What is the slope of a line perpendicular to the line whose equation is x+y=−1. Fully reduce your answer.

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.

Find the simplified product: 3e cube 9x to the fourth power times three cube 3x to the eighth

Iwas absent when my class learned this and my teacher is to lazy to teach it to me explain this to me .