Answer:
D.
(The only option that makes sense is D. but I came up with 10°F when I did the math)
<u><em>~ LadyBrain</em></u>
the quotient =215.3 repeating. so, you would do the 646 ÷ 215.3
One-half of a number plus six will equal 20.
Solving:
1/2x + 6 = 20
-6 -6
1/2x = 14
*2/1 *2/1
x = 28 <--Answer to problem
If we draw a diagonal which will also be a transversal DB, then we get ∠ADB is congruent to ∠CBD by Alternate interior angles.
It will be the first option.
First add 54+78 which is 132. Then do 132 divided by 6 which is 22. 22 is the answer! When u need help ask me ok