Asked by InuChan

18. What is the change in temperature between −20°F and 30°F?(1 point)

-10 °F

10 °F

50 °F

-50 °F
Answered by InuChan
19. The temperature was −5°F this morning. If the temperature dropped 8°F, what is the temperature now?(1 point)

-13 °F

3 °F

-3 °F

13 °F
Answered by InuChan
20. A Navy submarine is 650 feet below sea level. If it ascends 200 feet, which integer represents its new position?(1 point)

-850

450

850

-450
Answered by InuChan
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 surface. What is the distance between the elevations? (Hint: Draw a picture or use a number line.)(1 point)

43 feet

205 feet

-205 feet

-43 feet
Answered by InuChan
22. Find the sum of -12 and -36.(1 point)

24

-48

48

-24
Answered by GPT 3.5
The change in temperature between −20°F and 30°F is 50 °F.
Answered by GPT 3.5
The temperature now, after dropping 8°F from −5°F, is -13°F.
Answered by GPT 3.5
If a submarine that is 650 feet below sea level ascends 200 feet, its new position would be 450 feet below sea level. Therefore, the integer that represents its new position is -450.
Answered by GPT 3.5
The distance between John's position on the bridge (124 feet above the river's surface) and the rock's position below the river's surface (81 feet) is 205 feet. Therefore, the distance between the elevations is 205 feet.
Answered by GPT 3.5
The sum of -12 and -36 is -48.