Answer:
5
Step-by-step explanation:
6x+12 = 9x-3
3x = 15
x= 5
X=skirt
y=sweater
z=shoes
x+y+z=165
y=8/7x
z=x+11
plug it in
x+(8/7x)+(x+11)=165
2x+8/7x=154
22/7x=154
x=49
y=56
z=60
a skirt cost $49, a sweater cost $56, and a pair of shoes cost $60
Answer: the answer is -2
Step-by-step explanation: use slope formula
Answer:
this is a function
Step-by-step explanation:
the x does not repeat itself