Fora

Questions and answers by visitors named Fora

Questions (17)

In the Manchester Building, the elevation of the basement floor is -16 ft. The elevation of the roof is 37 feet. What is the
1. 3 answers
2. 127 views
−8.5−(−3.7)=(1 point) Responses 12.2 12.2 4.8 4.8 -4.8 -4.8 -12.2
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25−(−80)=(1 point) Responses 115 115 -55 -55 565 565 105
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−18.5−17.5(1 point) Responses 1 1 -36 -36 -1 -1 36
1. 3 answers
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18. What is the change in temperature between −20°F and 30°F?(1 point)Responses -50 °F -50 °F -10 °F -10 °F 50 °F 50
1. 3 answers
2. 21 views
19. The temperature was −5°F this morning. If the temperature dropped 8°F, what is the temperature now?(1 point)Responses 13
1. 3 answers
2. 13 views
20. A Navy submarine is 650 feet below sea level. If it ascends 200 feet, which integer represents its new position?(1 point)Res
1. 3 answers
2. 45 views
21. John threw a rock into a lake from a bridge 124 feet above the river's surface. The rock sinks 81 feet below the river’s
1. 3 answers
2. 38 views
22. Find the sum of -12 and -36.(1 point)Responses 48 48 -48 -48 -24 -24 24
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17 + (−32)=(1 point) Responses -15 -15 15 15 -49 -49 49
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−14.15+(−3.78)−(−5.78)−3.4(1 point) Responses -15.55 -15.55 -19.55 -19.55 1.19 1.19 -27.11
1. 3 answers
2. 17 views
48÷((2+6)×2)−1=Hint: Use the order of operations (PEMDAS). (1 point) Responses -12 -12 11 11 2 2 3.2
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2. 41 views
Which factor contributed to Songhai's downfall as a powerful empire?(1 point) Responses a decades-long drought a decades-long
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2. 104 views
Which factor contributed to the rise of African empires such as Ghana and Mali?(1 point) Responses Their creation and
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2. 88 views
How did Mansa Musa establish Mali as a center of Muslim culture?(1 point) Responses He used gold from Egypt to build Muslim
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2. 68 views
Determine the sign of the product of −29×17 . Enter + for positive or – for negative.(1 point)
1. 3 answers
2. 21 views
Multiply 7×−4
1. 3 answers
2. 15 views