Answer:
I would say the answer is A
Answer:
x > -9
Step-by-step explanation:
When you move the -2 to the right side it turns to become
(x+2) > -7
Now you just solve for x
x > - 9
Answer:
B. Period 1 had scores that were less spread out around the mean than
Period 2
Step-by-step explanation:
Because the standard deviation of Period 2's scores is greater than that of Period 1's, the test scores for Period 2 are going to be more spread out than Period 1's test scores. B is the most logical choice in this case.
Answer:
2c + 7w = 16
3c + 8w = 19
Step-by-step explanation:
Just follow the two statements.
2 cups of coffee and 7 bottles of water cost $16.
2c + 7w = 16
3 cups of coffee and 8 bottles of water cost $19.
3c + 8w = 19