book Maths Puzzle Numerical Ability

square root of 300x15y25=

Read Solution (Total 0)

book Other Question

I don't understand the absolute values of y=|x|
for instance... y= |x-2|
I don't understand what the domain and range are based on and how to graph it!
Please help! Solve the system
3x+2y=12
2y-5z=1
x+y+z=6