Answer:
Step-by-step explanation:
Look at the differences between terms.
The initial term is -12, and each successive term is 7 more than the preceding term:
a₂ = a₁ + 7
a₃ = a₂ + 7
Etc.
a₁₃ = a₁ + (13-1)7 = -12 + (12)7 = 72
Answer:
y=1/4x+3
Step-by-step explanation:
Answer:
24
Step-by-step explanation:
1/2x6x8=24
Area=

divide diameter with 2 to get radius 13/2= 6.5
area= pi 6.5x6.5
=
42.25
answer= 42.25