Answer:
x means 2 and y means -2
Step-by-step explanation:
Can't see most of the pic
Answer:
a.(2/7,31/7) b.(97,71)
Step-by-step explanation:
im not writing all the work i did its just substitution of the value of x and y from the second equation to the first
Answer:
0.7
Step-by-step explanation:
Answer:
No
Step-by-step explanation:
A parallelogram may have a right angle (making it a rectangle), but may not.