NWEA Review

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The area of a circle is 64π inches squared. What is the circumference of the circle in terms of π?

• 16π

• 8π

• 4,096π

• 4π

• a = (34.04 ÷ 4.22) x 6

• a = (34.04 – 4.22) ÷ 6

• C. a = (34.04 – 4.22) x 6

• D. a = (34.04 + 4.22) ÷ 6

Jennifer randomly pulled marbles out of a large bag of mixed colored marbles. The colors were red, yellow, blue, green, and orange. Jennifer is going to pick out one more marble from the bag. Based on these results, what is the probability that she will pick out a blue marble?

• $\frac{1}{16}$

• $\frac{1}{8}$

• 4

• $\frac{1}{4}$

George was collecting brown beetles for his entomology class. The table below shows the number of brown beetles he collected per location. What is the mean of the total number of beetles collected?

• 12.4

• 8

• 10

• 4.43

Which expression is equivalent to -21 + 28x?

• -7(3 + 28x)

• -7(3 + 4x)

• -7(21 + 4x)

• -7(3 -4x)

Matthew was collecting rocks and then weighing the results of his collection. The table below shows his results. Based on his results, which statement describes the relationship between r, the rocks collected, and w, the weight of the collection of rocks per quantity collected?

• A. The relationship is proportional because the ratio of m to r is constant.

• B. The relationship is not proportional because the ratio of m to r is not constant.

• C. The relationship is proportional because the ratio of m to r is not constant.

• D. The relationship is proportional because the difference between m and r is constant.

Molly placed $115.00 in a savings account. This savings account earns 1.5% interest per year. She did not add or take out any money from this account. How much money did she earn in interest at the end of four years

• $2.88

• $126.50

• $6.90

• $115.00

Shawn wrote down the activities for his day on Saturday. In which situation will his activity result in a final value of zero?

• A. Shawn places four quarters in a jar of quarters which contains four quarters.

• B. In the morning, Shawn added six hard candies to a jar that contained four hard candies. By the end of the day, he ate ten candies from this jar.

• C. Shawn starts out on the ground and then climbs ten feet on a ladder.

• D. Shawn travels east ten feet and then travels south ten feet.

• $294

• $392

• $539

• $441