Question 1

Which of the following statements is supported by the graph?

Options :

A : The growth rate of bacteria A is constant.

B : The growth rate of bacteria B is constant.

C : The difference between the numbers of bacteria A and B is constant.

D : The growth rates of the two bacteria are approximately the same.

E : The difference between the counts of bacteria A and B is constantly increasing.

Answer: E

Question 2

The seamstress made 2 complete outfits that include a blouse, skirt, and belt. How many yards of material were needed to make these outfits?

Options :

A : 5

B : 5 1/2

C : 8

D : 10

E : 11

Answer: E

Question 3

To create a corral for horses, a rancher plans to enclose an 80-square-meter portion of his ranch with fencing. How many meters of fencing will he need?

Options :

A : 36

B : 42

C : 48

D : 84

E : Not enough information is given.

Answer: E

Question 4

Exhibit: At the beginning of the experiment, what was the height (in centimeters) of the small plants that were not fertilized?

Options :

A : 30 centimeters

B : 35 centimeters

C : 40 centimeters

D : 45 centimeters

Answer: C

Question 5

At a recent dog show, 200 dog owners responded to a questionnaire asking if their dogs had won gold or silver ribbons. Of those who responded, 120 owners reported that their dogs had won only silver medals, 10 reported winning only gold medals, and 40 reported winning neither. How many owners reported winning BOTH gold and silver medals?

Options :

A : 30

B : 50

C : 80

D : 110

E : Not enough information is given.

Answer: A