4x + 1/3y^2 What is the value of the expression above when x = 2 and y = 3? You must show all work and calculations to receive full credit.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

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 (%)