Answer:
D, (-6,-2)
Step-by-step explanation:
the first quadrant of a coordinate plane has the x coordinate being a negative number, and the y coordinate being a positive number
the second quadrant of a coordinate plane has the x and y coordinates being a positive number
the third quadrant of a coordinate plane has the x and y coordinates being a negative number
the fourth quadrant of a coordinate plane has the x coordinate being a positive number, and the y coordinate being a negative number
i have attached a graph showing the quadrants for a visual point of view
Answer:


Step-by-step explanation:
equation (1): 
equation (2): y=2x
solve the system by substitution
step1: sub (2x) for y in equation 1:


step2: simplify the expression:


(divide by 2 for both sides)

To find the value for y sub 21/4 for x in equation 2:
y=2x
y=2×(21/4)

My method is on a) you would just subtract 12 and 7 which is 5. You can do the rest and then when you get all the answers put them from smallest to largest
Answer:
Exactly 1 output
Step-by-step explanation:
Answer:
no, because not enough is information given to prove the triangles congruent by SAS.
Step-by-step explanation: