yall i need some help so i need the perimeter of this parallelogram on the graph the points are 8,6 13,3 13,15 and last 8,18

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Use a standard normal table to determine the probability. give your answer as a decimal to four decimal places. −1.5< < 1.5)