Answer:
∠A= 80°
Step-by-step explanation:
if they are supplementary then put them equal to 180
7x + 3 +7x + 23 = 180
14x + 26 = 180
14x = 154
x= 11
now plug in
7(11)+3
77+3= 80
Answer:
B = 50°
D = 40°
A = 90°
C = A = 90°
Step-by-step explanation:
I hope that it's a correct answers.
Answer:
-4 1/9
Step-by-step explanation:
Answer:
$80
Step-by-step explanation:
A P E X