Answer: The number of small cookies sold = 75
Step-by-step explanation:
GIven: Yesterday, the store sold 7 large cookies for every 5 small cookies.
Let 7x be the number of cookies and 5x be the number of small cookies. (i)
They sold 30 more large cookies than small cookies.
i.e.
(Using (i))

Thus, the number of small cookies sold = 5 (15)=75 (Using (i))
Hence, the number of small cookies sold = 75
Answer:
a. it has rotational symmetry with an angle of rotation of 90°
Step-by-step explanation:
The median of this problem is 84
Two planes intersect in a line sometimes.