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A number is doubled then it's Cube is 8 times.

Hence, Proved that double 8 times the cube of a number = 8 times the cube of number a = 8 × a³ = 8 × x³

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%

12

step-by-step explanation:

12 + 5 = 17

12x2=24

24-7=17