Calculate each of the following: 1.1 13 - 18 + 4 - 17
1.2 - 9 - (-8) + (-16)
1.3 - (-16 )2 + (-3)2
1.4 (- 13 )2 - (-13)
1.5 [a + (-6)] + b
1.6 [a + (-b)] + (-a)
1.7 (-b) + [(-b) + a)
1.8 (-y)2 - (-x)2 - (-x2)
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100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons

E. which of the following is not a possible probability? a. 25/100 b. 1.25 c. 1 d. 0