Answer:
2 is scalene
3 is obtuse
4 is isosceles
Step-by-step explanation:
We have that v*v=
. Hence, v*v= (2,7)*(2,7)=2*2+7*7=53. Thus,
. The correct choice is d.
Answer:
The answer is 10
Step-by-step explanation:
The answer is 10 because you asked how long it would take for them to work altogether,3hrs + 7hrs is 10hrs