So, difference as in subtract? so, if it is, it would be 15. if it means percent difference, it's about 60%.
Answer:
384 cm²
Step-by-step explanation:
Since it is a square pyramid, the total surface area of the pyramid is the area of its square base plus the area of its 4 triangular faces.

Area of a triangular face
= ½ ×12 ×10
= 60 cm²

Base area of pyramid
= 12 ×12
= 144 cm²
∴ Surface area of pyramid
= 4(60) +144
= 240 +144
= 384 cm²
She has $9.90 saved, she needs $35.10 more to buy the gift
Answer:
2/8
Step-by-step explanation: