Pleaseee help if you can. :’) many points

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Look at the figure xyz in the coordinate plane. find the perimeter of the figure rounded to the nearest tenth.