A system of equations is graphed on the grid. Which system of equations does the
graph represent?
A) 2x + 6y = 12
9x - 12 y = 24
B) 6x + 2 y = 12
12x - 9y = 24
C) 6x + 2y = 24
12x - 9y = 12
D) 2x + 6 y = 24
9x - 12 y = 12
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The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years