For Exercises 1-4, make a conjecture about whether each result will be odd or even. Use models, pictures, or other reasoning to support your conjectures. 1. an even number minus an even number 2. an odd number minus an odd number 3. an even number minus an odd number 4. an odd number minus an even number

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

3/5

step-by-step explanation:

double number line is not a standard concept, so it must have been defined in your textbook. assume top line is numerator.

sas (side angle side)

aa(angle angle)

sss(side side side)

sas you have to find two sides with an angle in between

aa you find two angles because it will always add up to 180

sss find all sides

step-by-step explanation: