Answer:
A.Matter can change from one state to another if heated or cooled.
B.The difference is evaporation is a change from liquid to gas. ... Melting is similar to solidification because they both involve a part in being liquid and solid. They are different because melting is solid to liquid and solidification is liquid to solid.
Step-by-step explanation:
Answer:
153.86
Step-by-step explanation:
Do 3.14 times 7 to the power of 2
Hope this helps
Answer:
25 seconds
Step-by-step explanation:
Skydiving.
height (in feet) above the earth=h(t)= -16t^2 + 10,000
the time it would take to fall when h is 0
-16t^2 + 10,000=0
-16t^2=-10000
16t^2=10000
t^2=10000/16=625
t=sqrt 625=25 seconds
1. parallel lines have same slope