Use this image to classify each pair of lines. Select Parallel, Perpendicular, or Cannot Be Determined to classify each pair of lines.

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?