Step-by-step explanation:

Answer:
5
Step-by-step explanation:
1. Add -8 to -12. This equals -20.
2. Now you have -20/(-4)
3. Solve this by dividing -20 and -4.
4. Two negatives make a positive, so your answer would be 5.
Hope this helps
Answer:
7 children
Step-by-step explanation:
$505-$115= $390
$390÷$65= 6
6+1= 7
Answer:
C
Step-by-step explanation:
< is an open circle and graph C is the only one with an open circle
Answer:
5 yd
Step-by-step explanation:
Use Pythagorean theorem,
Hypotenuse² = base² + altitude²
= 3² + 4²
= 9 + 16
= 25
Hypotenuse = √25 = √5*5 = 5 yd