Answer:
We reject the null hypothesis.
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 71
Population variance is known.
Level of significance, α = 0.08

The null and alternate hypothesis are:

We use one-tailed z test to perform this hypothesis.
Formula:

Now, 
Since,

We fail to accept the null hypothesis and reject it and accept the alternate hypothesis.
A root of a polynomial doesn't mean it is a square root of!!!!!!
P(x)=3(x-5)(x-2)=3x²-21x+30
f (x)= 3 x power point 2 - 21 x + 30
Answer:
If ABC is isosceles, then <C is 35, and <A should be 110.
Step-by-step explanation:
you cant add 3x^2 and 7x + 2 :)
you put it in the correct order by the degree :)
Answer:
7 pounds.
Step-by-step explanation:
3.60 for 3 pounds
1.20 per pound.
8.40/1.20 = 7 pounds