Answer:
1. Exponential decay
2. 18%
Step-by-step explanation:
I believe the answer you are looking for is 840 ÷ 17.5 which is 48 acres.
Answer:
11/61
Step-by-step explanation:
cos b = adj side/hypotenuse
=11/61

the fractions are set up so that each unit cancels out until its only meters/hour
you can multiply all the numerators together to get 72000 and all the denominators to get 1
72000 meters/1 hour
72000 meters in 1 hour
hope this helped
B) 4Na + O₂ → 2Na₂O
b) H₂ + Cl₂ ---> 2HCi