1.
a.Irrational
b. Irrational
c. Rational
d.Irrational
2.
Is Rational
Is an integer
Is a whole number
3.
Is Rational
Is a real number
4.
Is Rational
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As far as I can tell you got them all correct, well done :D
The high temperature was 35 degrees warmer than the low temperature.
You multiply by 2 because if you take any number let's say 15, 15x 6 is 90 1/3 of 90 is 30 and 15 is half of thirty. this works with all numbers so the answer is dilate by a scale factor of 2.
