A pollster wishes to estimate, with 99% confidence, the proportion of people who approve of how President Trump is performing his job. Find the minimum sample size necessary to achieve a margin of error of less than 3%.

1. convert. simplify your answer and write it as a proper fraction or as a whole or as a mixed number. 4oz=_ pounds 2. find 1/3 of 66

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11