Which two points on the number line represent numbers that can be combined to make zero?
A
C
D
B
+ +
-3 -2 -1
+ + + + +
-9-8-7 -6 -5
+
4
+
0
1
2
+
3
+
4
+
5
+
6
+
7
+
8
O B and D
O A and B
O C and D
O A and C

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

For each proportion find the unknown number x 1/5/8=×/15

For what values of x is x2 + 2x = 24 true?