Answer:
The slope of a line can be positive, negative, zero, or undefined. A horizontal line has slope zero since it does not rise vertically (i.e. y1 − y2 = 0), while a vertical line has undefined slope since it does not run horizontally (i.e. x1 − x2 = 0).
Step-by-step explanation:
i googled it
6439000 is the nearest 1000
Answer: 172 
Step-by-step explanation:
Answer:
≈ 130.2 cm²
Step-by-step explanation:
A = 8×10 + π·r²
= 80 + 3.14×16
= 80 + 50.24
= 130.24
≈ 130.2 cm²