If an average five-year-old owns at least five and at most twenty-five toys, how many five-year-olds must be in a group to be certain that at least two have the same number of toys?
A. 22 five-year-olds
B. 21 five-year-olds
C. 20 five-year-olds
D. 23 five-year-olds
Answer: A
Mathematics
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Use FOIL to multiply.(a - 7)(a - 8)
A. 2a2 - 56 B. a2 + 15a - 56 C. 2a + 56 D. a2 - 15a + 56
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Subtract.-7 - 21
A. 14 B. -14 C. 28 D. -28
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Convert from one measure to the other.2
quarts to pints
A. 10 pints
B. 5 pints
C. 
pints
D. 1
pints
Mathematics
Find the LCD for the fractions in the list.
, 
A. r(r + 1)(r + 3) B. (r + 3)2 C. r(r + 3)2 D. r(r + 3)
Mathematics