Answer:
your qiestion is not clear.
Answer:
a. not valid
Step-by-step explanation:
She only sold 12 in a week so she does not get a bonus, as she needs to sell at least 15 computers.
Answer:
3053.63
Step-by-step explanation:
Use the equation for sphere volume: 
Plug the values in and get
≈ 3053.63
Note: exact value of pi used.
Answer:
180
Step-by-step explanation:
draw it out it is a rectangle with length=15 and width = 12.
Area of a rectangle = LxW
=15x12
=180
Answer:
the given equation is y=4/7x
reciprocating both sides you get y/x =7/4
now x and y are directly porportional to each other so
x=ky where k is the constant
or x/y=k ......................(2)
equating 1 and 2
k=7/4
Step-by-step explanation: