Step-by-step explanation:
The answer is B and C. The atmospheric pressure is 14lb/in2 and As the altitude approaches sea level, the atmospheric pressure increases.
Step-by-step explanation:
(x+2y)²=x²+4xy+4y²
...........
Answer:
1. .466-
2. -0.6
3. .466-
4. .466-
5. 0.6
Step-by-step explanation:
The formula for the discriminant is the square root of b^2 - 4ac
8x^2+18x-5= 0
a = 8, b=18, c= -5
Square root of 324 +160
Square root of 484 = 22 The discriminant is 22