Find the distance between these points and round to the nearest tenth.
(−9,2) and (9,−2)

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

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¯¯¯¯¯¯¯¯)?

What expression is equivalent to log3(x+4)