Answer:
x = 
Step-by-step explanation:
Use Pythagorean theorem,
Hypotenuse² = base² + altitude²
x² = (√8)² + 4²
= 8 + 16
= 20
x = √20 = 
x = 
Answer:
Planes and pulleys can increase the speed of completed work
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
its b solve the first equation for y \
hope this helps
brainliest would be appreciated
Answer:
41
Step-by-step explanation:
supplementary angle is 180
therfore to fin
d the answer =
180-139=41