Answer:
12
If you don't know it off the top of your head, work backwards.
48/4=12
Check:
12(4)=48
Answer:
(5 + x)(5 - x)
Step-by-step explanation:

Answer:
B. Carl yearns more per hour
C. put line through points (1,15) and 3,45) on graph and you will have Carl's earnings per hr.
Step-by-step explanation:
Louis earns 12$ per hr (y=12x)
Carl yearns 15$ per hr (y=15x)
to find what carl yearns hourly you divide 45 by 3 which is 15.
(Explaination of answer for question b)
C isnt hard once you find y=15x.
Answer:
V = 3216.9 
Step-by-step explanation:
Volume of a cylinder = π
h
We are given diameter, 16cm, and half of it is the radius
r = 8cm
h = 19cm
Substitute the values into the equation
V = π *
* 19
V = 3216.9 