Answer:
D
Step-by-step explanation:
Using the sine ratio in the right triangle
noting that sin45° =
← exact value
sin45° =
= 
Multiply both sides by h, then
h ×
= 8
Multiply both sides by 
h = 8
→ D
I think she bought 23 feet
Answer:
Yes.
Step-by-step explanation:
One term .
9.8 / 1, but fractions don't like decimals, so 98/10
90/10 is 9, so 9 with 8/10 remaining.
8/10 can be simplified to
4/5
So it is 9 and 4/5