Step-by-step explanation:

Answer:
B.
Step-by-step explanation:
The equation of the circle:

(h, k) - center
r - radius
We have:

Substitute:

Answer:
Ed and Sheerie save 7.5%.
Step-by-step explanation:
This question can be solved using a rule of three.
Ed and Sherrie save $90 each pay period from their combined paychecks, which total $1200. What percent do Ed and Sherrie save?
How much of $1200 is $90? $1200 is 100% = 1, $90 = x. So
$1200 - 1
$90 - x



Ed and Sheerie save 7.5%.
Answer:
Step-by-step explanation:
812.5 inches
Turn these numbers into fractions:
Solve 900/72 to get 12.5. This means that multiplying 72 x 12.5, you get 900. So, to find the height of the tree: h you multiply 65 x 12.5. Your answer to this is 812.5.
Hope it helps!