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题目： The ratio of the number of red cars in a certain parking lot to the number of black cars is 3 to 8. If there are 72 black cars in the lot, how many red cars are there in the lot?

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题目： If b, c, and d are constants and $${x}^{2}+{b}{x}+{c}=({x}+{d})^{2}$$ for all values of x, what is the value of c? (1) d = 3 (2) b = 6

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题目： Is x >5 ? (1) $${x}^{2} >{25}$$ (2) 2x+7 >0

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题目： What is the total number of executives at Company P?(1)The number of male executives is $$\frac3 5$$ the number of female executives.(2)There are 4 more female executives than male executives.

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题目： If Antonio bought two half-gallon cartons of ice cream during a special sale, what percent of the total regular price of the two cartons did he save?(1) Antonio paid the regular price for the first carton and received the second carton for half the regular price.(2) The regular price of the ice cream Antonio bought was $4.00 per half-gallon carton.

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题目： The table above gives the coffee consumption in 1994 for five countries. If the total coffee consumption of these countries was 40 percent of the world's coffee consumption, what was the world's coffee consumption, in millions of kilograms, in 1994?

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题目： Is |v-x|<8(1)v and x are integers.(2)|v|= 4 and |x|= 6

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题目： What is the hundreds digit of the integer z?(1)10z = 93,120(2)z rounded to the nearest hundred is 9,300.

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题目： $$\frac{({29}^{2}+{29})}{29}=$$

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题目： if $$y= 4 + (x-3)^2$$, then y is lowest when x=

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题目： If $$({2}^{x})({2}^{y})={8}$$ and $$({9}^{x})({3}^{y})={81}$$, then (x, y)=

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题目： If $$\frac{x}{y}=\frac{3}{2}$$,then $$\frac{x-y}{x}=$$

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题目： If a 10 percent deposit that has been paid toward the purchase of a certain product is $110, how much more remains to be paid?

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题目： In the xy-coordinate system, if (a,b) and (a+3,b+k) are two points on the line defined by the equation x=3y- 7, then k =

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题目： $$1+{{1}\over{1}+({{1}\over{1}+\frac{1}{3}})}$$