What is the equation in standard form of the line that passes through the point (4, -3) and has a slope of -1

If jklm is a trapezoid, which statements must be true?

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16

Which of the following statements is true? a. a 10o angle is congruent to a 10o angle. b. a triangle can only have two congruent angles. c. congruent angles always add up to 90o. d. a congruent angle is always 90o.