What is the sum of x+y when x = –9.1 and y = 5.6?
a. –14.7
b. –3.5
c. 3.5
d. 14.7

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Me because some of question i don’t understand

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.