Pregunta 1
Pregunta
If there are 10 candies in a bag and 15 bags in a box, how many candies are there in 8 boxes?
Respuesta
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1,000
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1,200
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1,500
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1,800
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2,000
Pregunta 2
Pregunta
If 2x=6, what is the value of 3x+4?
Pregunta 3
Pregunta
In the sequence 14, 10, 8, the first term is 14 and each term after is 3 more than half the previous term. What is the sixth term of the sequence?
Pregunta 4
Pregunta
An engineer is testing 5 different batteries. For each test, the engineer chooses 2 of the batteries and sees if they work together. What is the least number of tests that must be done so that every possible pair of batteries is tested?
Pregunta 5
Pregunta
If x and y are positive even integers, which of the following must be a positive odd integer?
Pregunta 6
Pregunta
If (a+2)2=b, what does a2+4a equal in terms of b?
Pregunta 7
Pregunta
If xy=2-y and y=2, which of the following must be true about x?
Pregunta 8
Pregunta
If y=2x, which of the following expressions is equivalent to 8x-2x+2 for all values of x?
Respuesta
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y3-4y
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y3-2y
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y3+4
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y3-4
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y3+y2
Pregunta 9
Pregunta
A certain type of cake is made by combining eggs and flour so that the ratio of eggs to flour is 4 to 1 by weight. How many pounds of flour are needed to make an 80-pound wedding cake using this recipe?
Pregunta 10
Pregunta
The function f has the property that f(g)=f(h) for all numbers g and h. What is the graph of y=f(x) in the xy-plane?
Respuesta
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A semicircle with center (0,1)
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A semicircle with center (1,0)
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A parabola symmetric about the x-axis
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A line with slope -1
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A line with slope 0