Pi is the ratio of the area of a circle to its diameter.
Answer:
B
Step-by-step explanation:
we can see that the two lines intersect at the point (1,2)
thus this is the solutions to both lines which is answer B
Answer:
16) 
17) y = -x - 4
18) y = -2x - 1
19) y = -2x
20)
Step-by-step explanation:
With the two points you find the slope using 
Then using that slope, plug the slope in with one of the points values of x and y into the point slope formula, and smiplify that into the y-intercept formula.
Answer:
I would say A because the real answer is 23.477
Step-by-step explanation:
Answer:
13 and 11
Step-by-step explanation:
how is helpful