I think your right,It would be 81.6.
Hope this helps. :D
Well for two positive numbers subtracted to equal a negative number, the first number must have a value that is less than the second number. (Ex. 3-4= -1) In this case, you can conclude that x is less than y! (x<y)
Answer:
A
Step-by-step explanation:
using the sine ratio in the right triangle, then
sin 45° =
= 
multiply both sides by 5
note the exact value of sin 45° = 
x = 5 × sin 45° = 5 ×
= 
3. 28 Quarters and 5 dimes.