Answer:
28
Step-by-step explanation:
Cross multiply
18k = 12 x 42
18 k = 504
k = 504/18
k = 28
To find a volume of a cylinder we use the following formula:

Plug in the values:

Take the square:

Multiply the numbers:
Answer:
Step-by-step explanation:
slope is -3/2. rise/run. There's already a graph there so I'm assuming no need to show one
Answer:
c
Step-by-step explanation:
(X+4)(X-4) is the LCD because you just have to look at the denominators and see what factors or values are not already part of your LCD.