Answer:

Step-by-step explanation:
(smaller triangle below)

(bigger triangle above)
Since you have both triangle, and all lengths you dont need to worry about calculating the square
Add both together

Answer:
6 1/4, 6 3/7, 6.5, 6.625
Step-by-step explanation:
6 1/4 is 6.25 so that makes it the smallest and 6 3/7 is still small and everything else is easy
Answer:
Teo is 6 and Richard is 23
Answer:
D) 3x²y
Step-by-step explanation:
Step-by-step explanation:
7×9÷2
By using the rule of BODMAS , we get
7×9÷2
7×4.5
31.5