2 R
2
3
4 5
8 9 10
6
3-2 +1
-10-9-8-7-65
-
-10
A. Q = (1.2); P =(3, 4); R = (5.6)
B. Q = (3.5): P = (7.6); R = (5.2)
c. Q = (6, 10) : P = ( 14, 12): R = (10.4)
ODQ = (12. 20): P = ( 28, 24); R = (20.8)
Other

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3