MCAS 2002, 10th Grade Math, Questions 13 to 16

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Question #13

The number of bacteria in a culture doubles each hour. Which graph below best represents this situation?

The heights of the 20 players on a school soccer team are recorded in the box-and-whisker plot shown below.

Based on the information given in the box-and-whisker plot, which of the following statements is true?

A. The mean height of the team is 69 inches.

B. Half the players’ heights are between 67 and 72 inches.

C. The shortest player on the team is 67 inches.

D. The range of heights of players on the team is 5 inches.

Solve the following equation for x.

3x - (2x - 3) = 2x + 9

Geoffrey is building a patio. The floor of his patio will be made of bricks. The diagram below shows the shape of each brick.

Geoffrey can combine two bricks side-by-side to make different shapes. An example of one combination of two bricks is shown below.

What combination of two bricks would have the smallest base perimeter? Draw this combination in your Student Answer Booklet.