What fraction is greater than 0.7 but less than 0.71

Consider the reflection of parallelogram pqrs across the line of reflection, . if rr' = 14, then rz = . if sx = 5, then = 5.

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

How do you use the elimination method for this question? explain, because i really want to understand!