Answer:
The third one :)
Step-by-step explanation:
Answer:
x
^2
−
2
y
^2
−8
x
y
Step-by-step explanation:
Answer:
C the 90 degrees
Step-by-step explanation:
Answer:
69.75 square inches
Step-by-step explanation:
Add the top and bottom lengths then divide by 2 before multiplying it with the height
1/2x(3+12.5)=7.75
7.75x9=69.75