Help me with this linear function assignment

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

What is the perimeter of square abcd? units units 28 units 37 units

What is the solution of log2  (3x  -  7)  =  3? 4 5