Answer:
Z + 12
Step-by-step explanation:
Z-(-12)
Z + 12
Double negative turns into positive
Answer:
Step-by-step explanation:
x1 = 0.5 x2 = -0.4 y1 = 1.3 y2 = -1.3


=2.75
Answer:
Step-by-step explanation:
To find the surface area of a regular pyramid use the formula:
S = 1/2 × l × p + b
Surface = 1/2 × lateral height × perimeter of the base + area of the base