Answer: 
Step-by-step explanation:
By the exterior angle theorem,

Answer:
17 1/2 in²
Step-by-step explanation:
a=l×w
or in this case a=h×b
2 1/2×7= 17 1/2 in²
Answer:
Step-by-step explanation:
the answers are 123
8*365= 2920
2920*35= 102200
102200/24= approx. 4,258.33 days
Answer:
y=3x
Step-by-step explanation:
if you look 3*3=9 5*3=15 8*3=24 and 10*3=30 so they are taking x*3