What is 12 8/15 − 7 + 7/15 + 15
? Simplify your answer.(1 point)
Responses
20 15/15
20 Start Fraction 15 over 15 End Fraction
41 15/15
41 Start Fraction 15 over 15 End Fraction
35
35
21
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21
How should you group the following expression to make it easiest to add? 18 − 949 + 79 − 8
(1 point)
Responses
(18 − 8 − 9)
Left Parenthesis 18 minus 8 minus 9 Right Parenthesis
(18 − 9 − 8) + (−49 + 79)
Left Parenthesis 18 minus 9 minus 8 Right Parenthesis plus Left Parenthesis negative Start Fraction 4 over 9 End Fraction plus Start Fraction 7 over 9 Right Parenthesis
(18 − 8) + (−949 + 79)
Left Parenthesis 18 minus 8 Right Parenthesis plus Left Parenthesis negative 9 Start Fraction 4 over 9 End Fraction plus Start Fraction 7 over 9 End Fraction Right Parenthesis
(8 − 18) + (49 + 79)
(18 − 8) + (−949 + 79)
What should you do if a place value is missing a number?(1 point)
Responses
Remove the last digit(s) in the number that has the additional place values.
Remove the last digit(s) in the number that has the additional place values.
Subtract without it.
Subtract without it.
Add a zero.
Add a zero.
Nothing.
Add a zero.
What is −18.1−5
?(1 point)
Responses
13.1
13.1
23.1
23.1
−13.1
negative 13.1
−23.1
-23.1
What is −189.987−30.87
?(1 point)
Responses
−159.117
negative 159.117
159.117
159.117
220.857
220.857
−220.857