Answer:

Step-by-step explanation:
Distance can be found using this formula:

Where (x₁, y₁) and (x₂, y₂) are the points.
We are given the points O (-3, -2) and P(-3,4). Therefore,

Substitute the values into the formula.

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition and Subtraction.
Solve inside the parentheses first.
- (-3--3)= -3+3=0
- (4--2)= 4+2=6

Solve the exponents.

Add.

Take the square root.

The distance is 6.
Answer:
b
20
10
Step-by-step explanation:
Answer:
$8.2
Step-by-step explanation:
49/6=8.16666666667
8.16666666667 Rounded = 8.2
$8.2
We can calculate (62 + 90) / 2 = 76. it's <span>known that 95% lies between the mean and twice the standard deviation. </span><span>if the mean is "μ" and the standard deviation is "σ": </span><span>μ-2σ and μ+2σ. i</span><span>f μ=76, then </span><span>76+2σ = 90, so 2σ = 14, so σ = 7.
</span>
<span>the mean is 76 and the standard deviation 7. </span>