Solving an Inequality ​

If the square of a positive integer is added to 2 times the integer the result is 48. find the integer.

In the figure below, segment ac is congruent to segment ab: which statement is used to prove that angle abd is congruent to angle acd? a.)triangle acd is similar to triangle abd. b.)triangle acd is congruent to triangle abd. c.)segment a.d. is congruent to segment ac. d.)segment a.d. is congruent to segment dc.

Which of the following statements are true about the graph of f (x) = 1/4 coz ( x + π/3) - 1? select all that apply.