Answer:
11x+14
Step-by-step explanation:
(2x+10x+21)-x-7 = 12x+21-x-7 = 11x+14
Answer:
Correct
Step-by-step explanation:
Answer:
$10,200
Step-by-step explanation:
12,000x 0.85 = $10,200
or 12,000 x 0.15 = 1,800
$12,000 - $1,800 - $10,200
Answer:
77° or 103°
Step-by-step explanation:
All of the angles are either the given angle or its supplement. Corresponding angles are congruent, as are vertical angles. Any linear pair of angles will add to 180°.