Which value or values for the variable c from the set below will make 5.6 + 0.4c6c true? a. only 2.5b. 1 and 2.5c. 0.875, 1, and 2.5d. all of the values in the set

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

I'm confused on this could anyone me and show me what i need to do to solve it.