Generate an equivalent expression using prime factorization for the number 500

Solve the triangle. a = 21°, c = 105°, c = 5

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.

286 divided by 457.6 what is the quotient?