A. the cost of 8 shirts is $15 b. the cost of 7 shirts is $120 c. the cost of 8 shirts is $8 d. the cost of 8 shirts id $150

step-by-step explanation:

if u want da anser kill your teeser ifu hav wun

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%