Find the vector equation for the line through the origin that intersects both of the lines ř =(4,-1,2) + t(1,-1,1),t e R and r = (9,9,-4) + (2,3,-1), u ER.

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 (%)

How to simply and write the answer n a whole number

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units