Answer:
The sides of a triangle are 8 cm, 11 cm and 13 cm. What is its area? 9. The sides of a triangle are 15 cm, 17 cm and 8 cm. What is its area? 10. The sides of a triangle are in the ratio of 3 : 4 : 5. If its perimeter is 36 cm, then what is its area? 1. D 2. B 3. A 4. B 5. C 6. A 7. C 8. A 9. C 10. B
Step-by-step explanation:
Answer:
10 pencils
Step-by-step explanation:
If they have 18 total pencils. Then 18-8=10. Just remember to just subtract ok? Study this it's very easy.
Y + 12 = 7 =
y = -12 + 7 =
y = - 5