Americans work an average of 34.4 hours per week. The average hours per week worked varies based on gender, marital status, and race.
Answer:
number 3
Step-by-step explanation:
thats my calcue
3= -1 + 7y x 10 to the second power
Answer:

Step-by-step explanation:
The pressure exerted by an object is given by:

where
F is the magnitude of the force
A is the area of the surface perpendicular to the force
In this problem, the force is the weight of the books + the shelf, which is given by

where
m = 262 kg is the total mass
is the acceleration of gravity
Substituting,

The area of the four legs is:

Therefore, the pressure exerted on them is:
