Kuwat's teacher asks him two questions: if we were to select one president, one vice president, one secretary, one treasurer, and one communications coordinator from 9 candidates, how many different choices could we have? if we were to select one president, one vice president, one secretary, and two board members from 9 candidates, how many different choices could we have? kuwat's response to both of these questions is the same: the answer is 9p5=15120. is there an error in his answer? explain why or why not.

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

Use complete sentences to differentiate between a regular tessellation, and a pure tessellation. be sure to include specific types of polygons in your explanation.

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.