Answer:
no x values repeat, so yes it is a function
Step-by-step explanation:
Answer:
9a - 2b
Step-by-step explanation:
6a - 6b +3a +4b . . . . . . . we assume your _ is supposed to be -
= a(6 +3) +b(-6 +4)
= 9a -2b
Answer:

Step-by-step explanation:

21.1 should be the correct answer because 4.5% of 2000 is 90
Answer:
-33
Step-by-step explanation:
well you can use mid point formula and solve for x
or count how many it takes to get from -3 to 27 and add that to -3 the other direction