These data tables show sales of the Earn a Million-a-Day At Home video. Read the table, and then examine the graphs below.
Week
11
2
3
14
15
Sales
252
1246
265
276
280

phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation:

7,24

step-by-step explanation:

company a

step-by-step explanation:

using the linear regression models , it is found that company a   pays about $14 more. but using the same regression (linear) company b pays about $10 more.

so company a pays more than b

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870