Which of the following addition problems have a rational sum? Select THREE that apply.
А.
2 + ]
+
1
2
B
5.4+
5
4
С
1648
D
-1.11 + 1.11
E
V90 + V900

Explain why the two figures below are not similar. use complete sentences and provide evidence to support your explanation. (10 points) figure abcdef is shown. a is at negative 4, negative 2. b is at negative 3, 0. c is at negative 4, 2. d is at negative 1, 2. e

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Find the solution of this system of equation -7x+y=-20 9x-3y=36