Answer:
Yes, the constant of proportionality is 1.5
Step-by-step explanation:
Answer:
x= 4, y = -1
Step-by-step explanation:
2x-3y=11
3x+3y=9
do addition and you should get
5x=20
x=4
plug in x into any equation
12+3y=9
3y= -3
y=-1
Answer:
a=69
Step-by-step explanation:
121-52 is equal to 69