Your answer is 21.7724<span>Kilograms</span>
The answer is D.
You have to make the whole numbers equal to then solve for the exponents:
F(x) means y, therefore, y is 9.
9 = 3^x.
3^2 is the same as 9.
Then, 3^2 = 3^x.
Then solve for the exponents,
2 = x
Therefore your answer is 2.
Speed is 45 miles/1 hour.
135 miles x 1 hour/45 miles = 135/45=3 hours
If my multiplication is right the answer is <span>321.625</span>
