Answers:
1) 
2) 
3) 
4) 
5) 
Step-by-step explanation:
1) 
Rewriting the expression:

Multiplying the exponents:

Simplifying:

2) 
Rewriting the expression:

Multiplying the exponents:

Simplifying:

3) 
Rewriting the expression:

Since
:

4) 
Multiplying numerator and denominator by
:

Simplifying:

5) 
Rewriting the expression:

Simplifying:

Since we do not want the square root in the denominator, we can multiply numerator and denominator by
:

Finally:

Answer:
The answer is 15 people.
Step-by-step explanation:
If one fifth is bringing candy and three fifths is bringing dessert than that already four fifths of the people who aren't bringing punch so one fifth of the people are bringing punch so one fifth of 75 is equal to 15
Answer:
your do it on your own
Step-by-step explanation:
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 100th of second.
y=-16x^2+129x+119
y=−16x
2
+129x+119
B. The answer is b because -2m and -5m together equal -7m-8, and on the other side of the equal sign 3+-7+m equal -4+m