Answer:
1 Because i learned how to do that but that was hard
Step-by-step explanation:
Answer:
the third one 10 cm, 9cm 9cm
X+y = 4, therefore y = 4-x when you rearrange the equation.
You can subsitute this in: x-(4-x) = 6
-4+x = 6-x
x=10-x
2x = 10
x = 5
Substitute x into the previous equation:
5+y = 4
y = 4-5
y = -1
Answer:
Ok so...
Mean: 68.76
Median: 72
Range: 85
Step-by-step explanation: