Approximate the irrational number /8 to two decimal places without a calculator. 78 is approximately

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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 (%)

Joanie watched 1 out of three of a movie in the morning