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# Annika biked 3 7 km 37 km this morning and another x km x km in the evening. how many kilometers did annika bike today? write your answer as an expression.   ### Another question on Mathematics Mathematics, 21.06.2019 18:20
In the literal equation below, what do c and frepresent? fc +32 variables constants units numbers Mathematics, 21.06.2019 19:10
Ateacher wants to see if a new unit on fractions is students learn. she has five randomly selected students take a pre-test and a post test on the material. the scores are out of 20. has there been improvement? (pre-post) student 1 2 3 4 5 pre-test 15 14 15 19 14 post- test 19 13 12 20 18 find the standard error. Mathematics, 21.06.2019 20:30
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Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?
Annika biked 3 7 km 37 km this morning and another x km x km in the evening. how many kilometers did...
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