Answer:
8 yards
Step-by-step explanation:
3 feet is 1 yard, so 24 feet is 8 yards
A(b - c) = d
ab - ac = d
ac = ab - d
c = (ab - d)/a
At sea level, the pressure is 1013, that's when the altitude is at 0, sea level, let's see

so, the inital amount is 1013, when t = 0,

now, to check the atmospheric pressure at 4000, simply set t = 4000, to get A.
Answer:
Step-by-step explanation:A.
Yes
[5.5+(-2.3)] can be rearranged to be 5.5-2.3. It will be 3.2
(-5.5+2.3) can be rearranged to be 2.3-5.5. It will be -3.2
3.2-3.2=0