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OLga [1]
2 years ago
7

The average amount of ozone in several cities across Pennsylvania was correlated with the average number of asthma cases in thos

e cities. What type of study is this
Mathematics
1 answer:
bekas [8.4K]2 years ago
3 0

Answer:

Ecological study

Step-by-step explanation:

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The difference of 9 times a number and 2 is 67. Write an equation that can be used to find the unknown number?
pochemuha
9x - 2 = 67
67 + 2 = 69
69 × 9 = 621
621 = x
3 0
3 years ago
Complete the square to transform the quadratic equation into the form (x – p)2 = q. x2 - 12x - 5 = 7 A) (x - 36)2 = 9 B) (x - 6)
iren2701 [21]

x2 - 12x - 12 = 0

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Hence, the answer is (B).

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3 years ago
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To make 5 Apple pies you need about 2 pounds of apples. How many pounds of apples do you need to make 20 Apple pies
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You got an A on 6 of your last 18 quizzes in Algebra 2. What is the experimental probability
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The experimental probability would be the number of A’s you have out of the number of quizzes you took:

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5 0
2 years ago
Which sequence of transformations creates a similar but not congruent triangle
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A a dilation and reflection

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