Which two points on the number line represent numbers that can be combined to make zero? А
C D
+
-9-8-7-6
0
1
2
+
3 4 5 6 7
89
OB and D
O A and B
O Cand D
O A and C
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Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5