11. Segment AB has endpoints at A(3,7) and B(23, -3). If point C is located on AB such that
AC:CB=3:2, then which of the following must be the coordinates of C?
(1) (7,1)
(2) (7,13)
(3) (15,1)
(4) (15,13)

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Brent wants to know what is 5 x 1/2

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¯¯¯¯¯¯¯¯)?