The answer is C. x=4
Explanation) 49 - 7 (4) = 21
7 (4) = 28
49 - 28 = 21
The function rule for x is +1. When you want to get the next number in the set, you add one to the previous number. For example, -1 + 1 = 0.
The function rule for y is - 5. When you want to get the next number in the set, you subtract five to the previous number. For example, 9 - 5 = 4.
Hope this helps!
First off, let's convert the mixed fraction to "improper", keeping in mind that, there are 2 cups in 1 pint.

Answer:
Yes it is!
Step-by-step explanation:
If you take 200 and divide that by 345 than you'll get 0.57.
Round 2 decimal places? ⇒ 0.58
Round 3 decimal places? ⇒ 0.580
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4)
pine tree is most numerous on tree farm which is 40%
5)
if 480 trees total,
pine trees = 480 x 0.40 = 192 trees
6)
if 480 trees total,
spruce trees = 480 x 0.30 = 144 trees
(p.s. also firm trees = 144 (same as spruce trees)