If 30% of his collection is 12 cars, then we can use the fraction
30/12=100/x
x=40
Answer:
5 is the mean
Step-by-step explanation:
√196s² = √196 times √s²
s² is the square of 's'
196 is the square of 14
So both can easily come out of the radical.
√196s² = <u>14s</u>
Answer:
thats a long question
Step-by-step explanation:
sorry I'm doing a competition for who ever reaches 1k points
(a^3 - 2a + 5) - (4a^3 - 5a^2 + a - 2)
=a^3 - 2a + 5 - 4a^3 + 5a^2 - a + 2
= -3a^3 + 5a^2 - 3a + 7
