A population of 800 spiders is decreasing at a rate of 14% each week. How many weeks will it take for the population to be half of what it was when it began

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

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

What’s -11-33k and factor each expression completely