8) Ms. DeCherico has two rectangular structures in her backyard. The dimensions of the pool are 5 feet by 6 feet. The dimensions of the fire pit are 7 feet by 8 fect. The length of the square backyard is 15
feet. What area of the yard is not covered by the pool and the fire pit?
a) 139 ft.
b) 146 ft.
c) 124 ft.
d) 156 ft.

the answer is A

Step-by-step explanation:

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

3, 12, 48, 384, 1536, 6144, 24576, 98304

step-by-step explanation:

just keep timing it by 4.