Let us find the slopes of the two lines
ax+by=c, slope m1 = -a/b
bx-ay=c, slope m2 = b/a
m1*m2 = (-a/b)(b/a) = -1
Therefore the two lines are perpendicular so the answer is D
Answer:
101
Step-by-step explanation: it is before 111 and after 91
12 x .89 = 10.68
10.68 x 5= $53.40
answer is $53.40
Answer:
the answer is big and your dad knows the answer is B a use Desmos amen