An infinite cylinder of radius r has a linear charge density λ. The volume charge density (������/������3 ) within the cylinder (������ ≤ ������) is ������(������) = ������������0/������ , where ������0 is a constant to be determined.

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

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 (%)