Which graph represents the solution set to the system of inequalities?
y≤2x+2
1/2x+y< 7
y-3≥0
i think the answer is the third one but check it to see if i am correct or not. i will mark brainlist, correct answers only! no spam or you will get reported

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i