You have to upload this in the area of mathematicians..!
Answer:
A
Explanation:
Ionic bonds work when a metal gives an electron to a nonmetal and this difference in charge is how they bond.
Answer:
x = 0.75801 = 75.801%
T_2 = 72..78 degree F
Explanation:
From superheated R 134 a properties table
At 200 lb/in^2 and 200 degree F

steady flow energy equation is givena s



At 90 lb/in2 Tsat = 72.78 degree F

hfg = 77.345 Btu/lbm
h = hf + x hfg

solving for x we get
x = 0.75801 = 75.801%

It should be answer choice b
Answer: B
Explanation:
A - No, because this has nothing to do with curves
B - Yes, because it explains gravity and it it forced down by gravity
C - No, because this has nothing to do with a rocket ship an dhow much it can travel per #.
D - No, because This has nothing to do with a boat on water and it explain nothing about gravity or how fast it is.
I Hope This Helped!