BEST 6th grade review 3

The area of an airplane’s wings is related to the airplane’s lifting force, which holds the airplane in the air. The table below lists several wing areas and the corresponding lifting forces. The ratio of lifting force to area is equivalent for all pairs in the table. What are the values of x and y?

• x=375 square feet and y=7,500 pounds

• x=335 square feet and y=7,500 pounds

• x=375 square feet and y=6,300 pounds

• x=335 square feet and y=6,300 pounds

In Joseph’s golf bag, he has 3 times more white golf balls than yellow golf balls. He has 24 white golf balls in his bag. Which equation can be used to find how many yellow golf balls, y, Joseph has in his bag?

• 3y = 24

• 3 + y = 24

• 24y = 3

• 24 + y = 3

What is the value of 5x^3 + 4y^3 when x=4 and y=3?

• 284

• 428

• 356

• 392

The set of numbers 1, 7, 11, and 36 contains values for m. What value of m makes the equation 4m+8=36 true?

• 1

• 7

• 11

• 36

What is the value of

• (15/42)

• (18/35)

• (35/18)

• (42/15)

Which expression is equivalent to 6 + 18?

• 3(3 + 6)

• 2(3 + 6)

• 3(2 + 6)

• 2(4 + 9)

Bronson is using a coordinate plane to design a rectangular swimming pool. He will plot points on the coordinate plane to make the vertices of the rectangular pool bottom. If Bronson plots the first three points at (5,3), (5,13), and (30,13), what would be the coordinates of the fourth point?

• (30,5)

• (20,13)

• (5,28)

• (30,3)

The table below list four masses and their corresponding approximate weights on Earth. The ratio of weight to mass is constant. Which statement describes the ratio of weight to mass and the value of x in the table.

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The model below represents a division problem. Which equation is represented by the model?

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Which expression is equivalent to 84 + 48?

• (12 x 7) + (12 x 4)

• (12 + 7) + (12 + 4)

• 12 + (7 x 4)

• 12 (7 + 4)