Answer:
21
(2,14)
14/2=7
14+7=21
21 is final answer
Erika had a 95% chance of guessing wrong
20 can be seen as 100%
the % will go down by 5's because of the original number
.5*20=
This will give you a 95% success rate.
Answer:
A
Step-by-step explanation:
40/10 will give you your answer
40/10=4m/s
Answer:
c
Step-by-step explanation:
1 : 100,000
Because there are 100cm in a m and 1000m in a km
100 x 1000 = 100,000
