Step-by-step explanation:
7×9÷2
By using the rule of BODMAS , we get
7×9÷2
7×4.5
31.5
Answer:
the answer is 8 cm because if you add up all the numbers of perimeter and then divide it by 4 that's all the sides of the square
63 cookies because 5 1/2 = 66 minus 3= 63 cookies