PLS HELP ASAP LAST OF MY POINTS ANSWER ONLY IF U KNOW PLS I BEGG Which graph represents y as a function of x?

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 (%)

What is the area of the shaded sector?

The formula for the volume of a right square pyramid is given below, where a is the side length of the base and h is the height.