A chimney is to be built with bricks and it must be 4 meters high. Each layer of bricks in the chimney is 8 centimetres and 52 bricks are used to make one layer. How many bricks would the bricklayer need to make the chimney

Arestaurant needs to buy thirty-seven new plates. if each box has five plates in it, how many boxes will they need to buy?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to