A U. S. Travel Data Center survey of 500 adults found that 195 said they would take more vacations this year than last year. Construct a 95% confidence interval for the true proportion of adults who said that they will travel more this year.

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¯¯¯¯¯¯¯¯)?

Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.

Find the solution of this system of equation -7x+y=-20 9x-3y=36