Which statement about a figure with line symmetry is correct? the figure will have rational symmentry.

the figure will have at least two lines symmetry.

the figure is divided into two congruent halves by line of symmetry.

the figure can't have rotational symmetry.

What percent of 18 is 24? and plz explain thx.

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?