Answer:
$840 dollars
Step-by-step explanation:
Divide 540 by 9 to get the cost of 1 book then multiply it by 14
To find r, first write out the equation:

Next, multiply both sides by 2:

Now, subtract both sides by 4:

Divide both sides by 3:

The answer to this problem is
r = 2. Hope this helps and have a phenomenal day!
Answer:
Choice C: (x-2)^2 + (y-1)^2 = 25
Answer:
D. 78°
Step-by-step explanation:
50°+28°= 78°
_______
Answer:
9, 9x, 18x
Step-by-step explanation:
Hence the B. I hope this helps love!