Answer:
You only have to sort (numbers with numbers and variables with variables) then do the operations (+/-).
Step-by-step explanation:

The only one with two obtuse and two right angles.
Trapezoid
It would be 9!!!
Hope that helps!!!
Answer:
Step-by-step explanation:
Multiple 4*6
Get that answer then divide the answer u got for 4*6 and divide that with 60 which equals 24÷60