The answer isnt 7 thats forsure
Answer:
Step-by-step explanation:
sides =8 cm, 17 cm and 15 cm
Area of triangle by Hero's Formula,
S=a+b+c/2
S=17+8+15/2
S=40/2
S=20
A=
A=
A=
A=
A=60 
Step-by-step explanation:
The greatest common factor (GCF) is the largest common factor that the numbers share. Here, 8 is the largest common factor of 16 and 24. So the GCF of 16 and 24 is 8.
2x +3y =70
2(0) +3y=70
3y=70
- -
3. 3
Y=23.3 repeating
Answer:
D
Step-by-step explanation:
Frustrated that McClellan had again failed to destroy Lee's army