on a website there is an ad for jeans every 5 mins an ad for sneakers every 10 mins and an ad for scarves every 45 mins if they all appear together at 9:00pm when is the next time they will appear together

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

Given right triangle xyz, which correctly describes the locations of the sides in relation to

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers