Answer:
∠1 ≅ ∠4 because yeah
Step-by-step explanation:
3/5 mile in 1/20 hours =3 minutes . so in 1 minute he skates 1/5 of a mile . in 60 minutes he skates 12 miles . speed is 12mph
Answer: a
Step-by-step explanation:
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
The first mistake is in step one. The person added +9 and -2 and got 11 when it should be +7