Answer:
the scatter plots shows a positive association.
Answer:

Step-by-step explanation:
<u><em>The picture of the question in the attached figure</em></u>
we know that
In the right triangle ABC
----> by SOH (opposite side divided by the hypotenuse)
substitute the given values


Answer:
Step-by-step explanation:
Proportional relationship means,
x ∝ y
x = ky
where 'k' is the proportionality constant.
From table (1),
Therefore, relationship is not proportional.
From table (2),

True.
So the relationship will be proportional.
From table (3),

Which is constant.
Therefore, relationship will be proportional.
From table (4),

Which is constant for every term.
Therefore, relationship will be proportional.
Answer:the acute angle is the small angle which is less than 90°. I
Step-by-step explanation:
Answer:
449.54 millimetres
step by step explanation
Blood donated by Hannah = 1.9 cups
1 cup = 236.6 millimetres
Therefore, 1.9 cups = 1.9 * 236.6 = 449.54 ml
So Hannah donated 449.54 millimetres of blood.