Answer:
B
Step-by-step explanation:
45-45-90
find hypotenuse: leg × root 2

The number is 3 because 3 multiplied by itself (3) is equal to 9.
Answer:
y = mx + b
Step-by-step explanation:
Use that form to find the slope.
Answer:
4. -1
5. +_ 2/5
6. 3.5
Step-by-step explanation: