11 people x 138 = 1,518 total pounds.
13 people x 148 = 1,924 total pounds.
Difference = 1924 - 1518 = 406 pounds.
Average weight = 406/2 = 203 pounds
Answer:
A,D
Step-by-step explanation:

The required additional information required to prove the Triangles congruent are :

The Triangles will be congruent by HL congruency.

The Triangles are congruent by LL congruency.

The Triangles are congruent by HA congruency.

The Triangles are congruent by LA congruency.
9. obtuse angle
10. right angle
11.BFC FDE
The equation is y = mx + b, where m is the slope, and b is the y-intercept. Our equation is y = -3x - 5, but it is minus, not plus, and this is because our y-intercept is negative. So, knowing this, we can determine that our y-intercept is -5.