Can I conclude ? (Please don’t be wrong I’ll give brainlist)

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

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¯¯¯¯¯¯¯¯)?

The square root of 9x plus 7 plus the square rot of 2x equall to 7