Phytagorean Theorem i think
Yup, that right there is a math.
Answer:
b. The supplements of congruent angles are congruent
Explanation:
Note that

is a supplement of

and

is a supplement of

.
Since

,

because
the supplement of the congruent angles are congruent.
Answer:
(3/5)x+1/4=(3/4)x-2/5
<=> (3/5)x - (3/4)x= -2/5 - 1/4
<=> x(12/20 - 15/20) = -13/20
<=> x(-3/20) = -13/20
<=> x = 13/3
Step-by-step explanation: