Answer:
1 Down - Dating Fossils
3 Down- Fossil Layers
5 Down- Pangea
2 Across- Index Fossil
4 Across- Mesozoic Era
6 Across- Mass Extinction
7 Across- Time Scale
8 Across- Trilobite
Step-by-step explanation:
The slope of a vertical line is 0
Hope this helps!
Answer:
f(x) = x^2 -12x + 85
reverse engineer this, like Prof. Sheldon Cooper figuring out Howard's card trick
x=6+or - 7i
x-6 = + or - 7i
square both sides
(x-6)^2 = -49
x^2 -12x + 36 = -49
x^2 -12 + 85
Answer:
arc PQR is 125 degrees
Step-by-step explanation: