Answer:
I think it is b. Curve
Step-by-step explanation:
X-5.1 = -7.6
+5.1 +5.1
X= -2.5
Answer:
178.3 mm²
Explanation:
The surface area of the regular pyramid is equal to the sum of the base and lateral areas:()
Answer:
B) 
Step-by-step explanation:

Hope this helps