Both of the missing angles are 45*.
Hope I helped. :)
The answer is sometimes less than 1
Answer:
1a expression
1b equation
1c equation
1d expression
1e expression
1f equation
Step-by-step explanation:
Equations have an equals sign, expressions do not
1a expression
1b equation
1c equation
1d expression
1e expression
1f equation
Answer:
slope: 
Step-by-step explanation:

the linear line has a positive slope that goes up by 1 unit and right by 2 units
He could use the mode of 89.