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What is the average number for this month? |
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Question: 6. What is the negative solution of this equation x^2 - 4x + 4 = 0? |
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Question: 7. What is a value of (3/5 - 1/4)? Is it a decimal number? |
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Question: 8. Set A contains only the factors of 21 that are greater than 1, |
and set B contains only the factors of 48 that are greater than 1. |
If set C is the union of sets A and B , what is the mode of set C? |
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Question: 9. If a + b = 7 and a^2 + b^2 = 37, then what is the value of ab? |
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Question: 10. If someone needs to cover the same distance, moving with |
constant speed, the time of his journey and his speed are in indirect variation. |
If walking with a speed 6 km/hour, someone needs 5 hours for the whole |
journey, what will be the speed of his car, if he covers this distance by |
car within one hour? |
How long is this distance? |
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Question: 11. Roberto travels from his home to the beach driving at 30 mph. |
He returns along the same route at 50 mph. |
If the distance from Roberto's house to the beach is ten miles, then |
what is Roberto's average speed for the round trips in miles per hour? |
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