B i cant really tell how because thats hard for me to do but it is b
90 degrees
the diagonals intersect at right angles
If u check your answer on google ithink u can get
2/3x - 1/2y = 3 |multiply both sides by 6
4x - 3y = 18
1/2x + y = 5 |multiply both sides by 2
x + 2y = 10
Answer: 4x - 3y and x + 2y = 10.
I don't know hibgiuuibbohubhouhigohiboihbobihioijboib