Answer:
7 minutes
Step-by-step explanation:
medium box has best value
Using the equation P=a+b+c , you just need to plug in.
4a-2b + 7a-3 + 9a - 4
Combine like terms.
20a-2b-7
-51 - 6i AND -3 + 2i - 2(24) - 8i are correct :)
2,4,5 - obtuse angle
3,4,5 - right angle
6,7,8 - acute angle
7,9,15 - obtuse angle
3,3,10 - cannot form a triangle