If f(1)=5, f(2)=8 and f(x)=ax+bx+2, what is the value of f(3)?

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¯¯¯¯¯¯¯¯)?

Write the fraction or mixed number and the decimal shown by the model

1: 4 if the wew 35 surfboards at the beach how many were short boards?