4. Supplementary angles together make a straight line (two right angles). So BOE is supplementary to BOC
Answer: ∠BOE
5. Distance and midpoint between (4,-2), (6,8)

midpoint

Answer: distance 2√26, midpoint (5, 3)
6.That's a rectangle oriented parallel to the axes, width parallel to the x axis of 7 - -3 = 10 and length along y of 1 - - 4 = 5, so an area of 10(5)=50
Answer: 50
Answer:
0.341
or 1.0723
Step-by-step explanation:
the volume of hemisphere = (2/3)

r = (1/2)d = 0.8
(2/3)
= 0.341
= 1.0723
Answer:
supplementary, 65 degrees
Step-by-step explanation:
Your answer is B! I hope this helped.