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题目内容
$$x^{2}$$+6x=7

Quantity A

$$(x+3)^{2}$$

Quantity B

16
In a fruit basket containing apples, pears, and oranges, the ratio of the number of apples to the number of pears is 3 to 4, and the ratio of the number of pears to the number of oranges is 5 to 3.

Quantity A

The number of apples in the fruit basket

Quantity B

The number of oranges in the fruit basket
Quantity A:The number of different prime factors of 500

Quantity B: The number of different prime factors of 360.
$$\frac{a^{2}}{b^{2}}$$=$$\frac{a}{b}$$

ab≠0

Quantity A

a

Quantity B

b
M and N are positive integers and M < N.

Quantity A

M percent of N

Quantity B

N percent of M


In the triangle, if $$y$$ =30, then $$x$$ =
A veterinarian has 70 clients who own cats, dogs, or both. Of these clients, 36 own cats, including 20 clients who own both cats and dogs. Which of the following statements must be true?

Indicate all such statements.
How many of the age-groups each accounted for more than 15 percent of the total number of occupational injuries in State X in 1998?
In 1998, if one-half of the occupational injuries in the combine 34-and-under age-groups were incurred by men, what was the number of occupational injuries incurred by men in the combined 35-and-over age-groups?
For the 55-64 age-group in 1998, the average (arithmetic mean) number of work-hours lost per occupational injury was 48.5. If a workweek is 40 work-hours, which of the following is closets to the total number of workweeks lost due to occupational injuries in the 55-64 age-group in 1998?

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