Answer:
Third choice
Step-by-step explanation:
The standard form of a circle is
where h and k are coordinates of the center and r is the radius squared. We have h = 2, k = 7, and r = 4 (we will have to square it to fit it into the equation properly). Filling in accordingly:
The third choice is the one you want.
Answer:
Step-by-step explanation:
<-- Given
<-- Expand middle term
<-- Factor into two parts
<-- Combine like terms
Answer:
50.24
Step-by-step explanation:
First, multiply $3 by 4 to get $12 spent on cookies. Then, you multiply $12 by 2 to know that the pies cost $24. You then divide the $24 by 3 to get $6 per pie. Meaning, each pie had cost $6. You add the $12 and $24 together to get $36. Finally, you subtract $36 from $40 to know that she only has $4 left.
