Answer:

Step-by-step explanation:
using the y=mx+b equation, where m=slope and b=y-intercept, we can place our known slope and y-intercept to form our answer,
:-) hope this helped!
Answer:
.D. 4√2 cm
Step-by-step explanation:
With reference angle 45°
base (b) = 4 cm
hypotenuse (h) = AC
Now
Cos 45° = b /h
1/√2 = 4 / AC
AC = 4√2 cm
I'm having the same troubles with this type of geometry sort of.