What is the range of the data set?
0|1 4 4
1|1 2 7
2|0
3|5 5
4|8
key: 3|5 means 35

John bought 2 horses at rs 20000 each

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which ordered pair is the best estimate for the solution of the system of equations? the graph of the system of equations : y = 3/2x +6 and y=1/4x - 2 , -3) .5, -3.5) , -4) , -3.5)