3. Is the sequence arithmetic? If so, find the common difference.
11.1, 21.6, 32.2, 42.6
[A] yes, 10.4
[B] no
(C) yes, 10.7
[D] yes, 10.5

13875138answer:

step-by-step explanation:

use a calculator!

answer: domain and range mean all possible values of x and y that could be substituted to the inequality. a solution means all possible values that make the inequality statement true. so while the range is still all real numbers, the solution is the shaded area, for which y will always be greater than the line of the function.

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.