Answer:
<em>x = 9</em>
Step-by-step explanation:
Vertical angles are congruent, so their measures are equal.
4x + 6 = 7x - 21
Subtract 7x from both sides.
-3x + 6 = -21
Subtract 6 from both sides.
-3x = -27
Divide both sides by -3.
x = 9
Answer:
Step-by-step explanation:
6.5 + w = 20
13.5 km
Answer:
300,000
Step-by-step explanation:
423 x 764 = 323,172
Answer:
Step-by-step explanation:
<span>17-foot run will be 8.5 feet I think this may be right </span>