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10 quarts, because 2 x 2 = 4 quarts, then 1 gallon = 4 quarts, 4 + 4 = 8, then half of 4 is 2, which 8 + 2 = 10.
Answer:

Here,
represents temperature and
denotes rate of chirping per minute.
Step-by-step explanation:
Let
represents temperature and
denotes rate of chirping per minute.
At
°F, a certain insect chirps at a rate of
times per minute.
Take 
At
°F, they chirp
times per minute.
Take 
Slope intercept form:

