First term is 3, common difference is 4 what is the 5th term

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

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¯¯¯¯¯¯¯¯)?

How are sas and sss used to show that two triangles are congruent?