Question 1 Write an equation of the line passing through point P(4,−6) P ( 4 , − 6 ) that is perpendicular to the line y=−3 y = − 3 .

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

At store a, erasers are sold individually. the cost y of x erasers is represented by the equation y=0.75x. the costs of erasers at store b are shown in the graph.

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?