Referenced from lesson Solving Word Problems (Spring, 2021)
For each pairs of Examples below, decide whether the two examples have the same contract. If they do, fill in the contract in the space provided. If not, write a few words explaining why.
1
examples:
mystery(triangle(70, "solid", "green")) is
triangle(140, "solid", "green")
mystery(circle(100, "solid", "blue")) is
circle(200, "solid", "blue")
end
2
examples:
mystery("red") is
triangle(140, "solid", "red")
mystery("blue", "circle") is
circle(140, "solid", "blue")
end
3
examples:
mystery("+", 4, 5) is 4 + 5
mystery("sqrt", 25) is num-sqrt(25)
end
4
examples:
mystery("circle", 4) is pi * num-sqr(4)
mystery("square", 5) is num-sqr(5)
end
5
examples:
mystery("dog") is 3
mystery("cat") is "kitten"
end
6
examples:
mystery("dog") is 3
mystery("kitten") is 6
end
These materials were developed partly through support of the National Science Foundation,
(awards 1042210, 1535276, 1648684, and 1738598). 
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