Answer:
7/8
Step-by-step explanation:
the answer to this is 7/8
Option C:
Area of the wall
square feet
Solution:
Length of the wall =
feet
Width of the wall =
feet
Area of the wall = length × width
Convert mixed fraction into improper fraction.



Convert improper fraction into mixed fraction.

Area of the wall
square feet
Option C is the correct answer.
Zinc = 7/18
Divide 4.9 by 7 = 0.7
Multiply by 18 = 12.6
The answer is 12.6 lbs of alloy. Sorry if I'm wrong
Answer:
Lowest score needed=4.92
Step-by-step explanation:
Using the standard normal distribution table we find the value of standard normal deviate corresponding to area of 15%
For area of 15% we have Z= -1.04
Thus we have

Applying values we get

Thus lowest score needed = 4.92
The answer is 8 because you use the order of operations. So it would be 16 divided by 4, then you would do 4+4 which is 8