Answer:
1. heights
2. blood pressure
3 . measurement error
4. IQ scores
Step-by-step explanation:
hope this will help you
A) (2+2)times3 because you will have to distributive properties,
(104+137+154+131+x) / 5 = 130
The calculation part I would like to leave it for you. It's a good practice.
Answer:
(2,-9)
Step-by-step explanation:
Set the quadratic equal to zero.

Factor

Set each of these factors to zero

and


and

Plot the midpoint of the two values.

So the middle term is 2 and the other terms are 5 and -1.
Now the vertex is

So the vertex is
(2,-9)
Answer:
98.1 unit²
Step-by-step explanation:
area of semi-circle= ½πr²
½π(3)²
= 9/2π
area of isosceles trapezoid= ½(b1+b2)h
½(15+6)8
=84
area of figure= 9/2π +84
98.1 unit²