prove: In a quadrilateral, if one pair of opposite sides are both congruent and parallel, then the quadrilateral is a parallelogram.

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

0

step-by-step explanation:

equals the constant of proportionality.

solve for

|-23|, |29|, |34|, |-38|, |-45|, |-47|, |-59|,   |67|, |-78|, |-110|, |-514|, |710|

step-by-step explanation:

absolute value gets rid of any negative