Answer:
Step-by-step explanation:
y=2/3*x-3
We can see that for x=0, y = 2/3*0-3 = -3.

let the equation be





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Answer:
1 hour and 15 min
Step-by-step explanation:
I think this is right but look it up just to be sure
Sin^2 (2x) = (1 - cos(4x))/2
---> sin^4 (2x) = (1/4)(1 - cos4x)^2 = (1/4)(1 - 2cos4x + cos^2 (4x)) and replace cos^2(4x) by (1/2)(1+cos(8x)) --->answer
Answer:
#14 - t = for each t-shirt(s) sold / h = hour(s) worked
8h + 0.50t
#15 - d = for hot dog(s) sold / h = hour(s) worked
8.50h + 0.35d
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