3x + 2y = 6 linear or non-linear ?

How do you write something in scientific notation?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.