The correct answer is 673
9+4= 13
5 turns into a 6 so it’s 6+1 = 7
3+3 = 9
Answer:

Step-by-step explanation:
We are given:

Separation of Variables:

So:

Integrate:

Integrate:

Raise both sides to e:

Simplify:

So:

Simplify:

615 ≈ 600 (nearest hundred)
The scale factor 0.05 refers to length, so for area the scale factor is 0.05²=0.0025.
We then multiply: 220 ft²*0.0025=0.55 ft² (choice A)
There are 105 in 6th grade because there are 75 boys right? So it said the ratio of girls is 7 and the ratio of boys is 5 so I divided 75 to 5 = 15 and I multiply 7 to 15 and got 105 girls.