Plz help im begging

Which equation will solve the following word problem? Chicago had 1,154,226 residents. 14% of the residents moved away. How many people now reside in Chicago?

1,154,226 - (1,154,226 * .14) = P

1,154,226 - (1,154,226 / .14) = P

1,154,226 + (1,154,226 * .14) = P

1,154,226 / (1,154,226 * .14) = P

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

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.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !