13. 14x – 3y + 2z = 100 - 17x + 8y + 10z = 11 ? Which is equivalent to - 3x + 13y + 29z = 81

rick would give her the best deal as he will charge $8.88 per hour

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%