Arnaud noticed that if he takes the opposite of his age and adds 40, he gets the number 28. how old is artaud

What is r i 4.5+10r=-6.5 with work pls

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.

Which number line correctly shows 0.8 + 0.3?