Which statement is true about the equations –3x + 4y = 12 and x – y = 1?

the system of the equations has exactly one solution at (–8, 3).
the system of the equations has exactly one solution at (–4, 3).
the system of the equations has no solution; the two lines are parallel.
the system of the equations has an infinite number of solutions represented by either equation.

< 4, -5>

step-by-step explanation:

starting from g. we move 4 right and then 5 down to get to h. that means the vector is < 4, -5>

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.