Answer:
substituting & graphing
Step-by-step explanation:
a
because the rest aren't true
12.5%
There is only 1 seven card from the 8 total cards.
1 out of 8.
1/8 = 0.125
P(7) = 12.5%
30 J
W = mg = 3 N
h = 10 m
Potential Energy = mgh = 3*10 = 30 J