Simplify 13) (-9a - 2) - (-7a - 3). 12 -12 14a - 12 14a - (-12)

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

`if you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain. ''.

How many 3/8s are in 6 plz someone tell me now