Suppose that 2 were subtracted from each of the values in a data set that originally had a standard deviation of 7.5. What would be the standard
deviation of the resulting data?
A. 2
B. 9.5
C. 5.5
D. 7.5

2500

step-by-step explanation:

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.