The 15 members of a baseball team are lining up in a single row for a team photo. How many different ways are there for them to line up?

The parabola opens: y=√x-4 (principal square root) up down right left

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¯¯¯¯¯¯¯¯)?

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9