Answer:
<h2>Bibi ate 6.3 pounds of food, approximately.</h2><h2>Rexy ate 5.7 pounds of food, approximately.</h2>
Step-by-step explanation:
1. What is this situation about?
The situation described is about the amount of food those dogs eat, and its relation with their weights.
2. What are the quantities in this situation?
The quantities are aboth the weight of each dog, and the number of pounds of dog food.
3. What mathematical questions could we ask?
We could ask the pounds of food each dog eats, in proportion with their weights.
4. Answer the question.
To answer that question, we just need to form a proportion.

Where
is the total pounts Rexy ate, and
is the total pounts Bibi ate.

Therefore, Bibi ate 6.3 pounds of food, approximately.
Then, 
Which means, Rexy ate 5.7 pounds of food, approximately.
Answer:
28
Step-by-step explanation:
Use the pythagorean theorem and solve for a:
a² + b² = c²
a² + 21² = 35²
a² + 441 = 1225
a² = 784
a = 28
So, the missing length is 28.
Answer:
He can lift 160 pounds
Step-by-step explanation:
125 (from last year) + 35 (more pounds) = 160 (total pounds)
125 + 35 = 160
Answer: 55/48
Step-by-step explanation: on photo
Answer: 75 women
4x+5x=135
9x=135
divide by
x=15
women 5 times 15 =75
men 4 tines 15 =60
75+60=135
Step-by-step explanation: