Please help

.._..tr.- .. ,7. vviuvun ) Practice concepts you learned in Adding and Subtracting Rational Numbers. 9 Determine the ending position by adding m Determine each difference. Then, write a and subtracting the indicated steps from sentence that describes the movement each starting position. 2 on the number line that you could use to @ Starting position: +6 solve the problem. 4 steps forward and 7 steps back 7 - (-6) @ Starting position: 3 -5 -13 4 steps forward and 2 steps back 0 Use a number line to determine each sum. @'3T4 3+(4) Q Write a number sentence for each two-color counter model. Then determine the sum. @696). 6900 99.6369 (+306). 06). 000 Q Determine each sum or difference without using a number line. @ 120 (70) 67 + (45) 0 Calculate each sum. G A deep sea diver is exploring the ocean 2% + <_3> + 5% at a depth of 45.8 feet below sea level. 1 1 1 g They rise 15 feet before diving down 75.5