If ( first image) and (second image), then which is true?

det(a) = det(b)
det(a) = –det(b)
det\(a) /= 0 and det(b) = 0
det(a) = 0 and det(b) =/0

What is the solution of sqrt x+2-15=-3

The table above shows approximate conversions from gallons to liters. what is the value of x?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.