Answer:
<h3>When an ice cube tray, filled with water is placed in a freezer, it slowly loses heat and start to cool down to become ice cubes. Changing of water into an ice cube is an exothermic reaction. Snow formation in clouds is also an exothermic reaction. Clouds come into existence from condensation of water vapor.</h3>
Answer: 101.69
Step-by-step explanation:
Formula we use to find the z-score :-
(1)
Given : 

Daniel's z score : z= 1.67
Let x be the raw score for Daniel's exam grade, then substitute the values of
in (1), we get

Hence, the raw score for Daniel's exam grade = 101.69
It should be 112.5 pounds because if there are 15 boxes and each box weighs 7.5 pounds, 15 x 7.5 = 112.5
Answer:
6c^2 + c
Step-by-step explanation:
8^2 - 2c^2= 6c^2
6c-5c = c