Answer:
If I had to take an educated guess I'd say 126° but I'm not 100% sure.
Answer: The options are kinda weird
But the solution to x - 12.5 = 17 is x = 29.5, so whichever equation you plug this into is correct is the right equation...
Answer:

Step-by-step explanation:
To find the unit rate we need to divide the # of miles over the number of practices to get the # of miles ran in a single practice:
=
Hope this helps!
4 x 3 = 12
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Answer:
4 1/12 sq. ft
Step-by-step explanation:
To know the amount of area that Pete’s bed have more than Fluffy’s bed, we simply calculate the area of both beds then subtract the smaller from the larger.
The area of Fluff’s bed would be 3 * 21/12 = 63/12 Sq ft
The area of Pete’s bed would be 4 * 28/12 = 112/12 sq ft
The difference in area is thus: 112/12 - 63/12 = 49/12 = 4 1/12 sq. ft