Answer: 2.81 s
Step-by-step explanation:
Given
Ball is kicked upward with velocity 
Height of the ball is given by the function 
Derivative of a function gives the maxima or minima at certain point

Thus, it takes ball 2.81 s to reach the top.
x-3x^3
Step-by-step explanation:
just pretend they are in parentheses and open them
Answer:
the answer should be c.
Step-by-step explanation:
here's why....A uses 4 more which is adding. B uses 4 fewer which is subtracting and D does not complete so it should be C.
You mean simplify?
You can't simplify it anymore because the numerator is an even number and the denominator odd..
But,

= 0.8
And equivalent fraction:
Multiply 2 from the numerator and denominator
Answer:
Step-by-step explanation:It is defined as the volume of a cube with sides of 1 mile (63360 inches, 5280 feet, 1760 yards or ~1.609 kilometres) in length.