2b - a = 5
Solve for a

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).