The answer is r=16 you have to square everything
1. Sry, I am confused by this one
2. Positive Integer factors of 196 = 2, 4, 7, 28, 196/2, 2, 7, 7, leaves it with no remainder.
3. Neither
4. Prime
5. Composite
6. 80, 96, 112 (pattern: add 16 each time)
7. 29, 36, 38 (pattern: add 7, add 2 and so on)
Hope this helped!!
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Answer:
Coefficient is equal to 12
Subtraction, you’d -6 to the other side and m=-10
It'd be 32 degrees F warmer
13-(-19)
=32