How do we find a sum of values using Sigma Notation? Explain the process.

In what organelle does photosynthesis take place?

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?