Lisa earned 84% on her grammar test. if there were 25 questions, how many did she get correct

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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 (%)

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?