The equations x+y=3 and -5x - 5y = -15 are graphed in the zy-plane. Which of the
following must be true of the graphs of the two equations?
©
The slope of the graph of 3+y=3 is 1 and the slope of the graph of
--52-5y = –15 is -1.
B
The graphs of the two equations are perpendicular lines.
The y-intercept of the graph of -5x - 5y= -15 is -15.
The graphs of the two equations are the same line.

Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.