Answer:
the standard form of this equation will be 3z^4 + 2z^3 - z^2 + 5z
Step-by-step explanation:
as much as I would like to, I'm really not that good at explaining things
Answer:

8,3*0,25=2,10%(2d.p)
Step-by-step explanation:
Answer:
x/y = 4/6 = 2/3
Step-by-step explanation:
Ten-thousand AFAFANDIUAHDIUAHIUDHAIDh (had to write 20 more "letters")
Answer:
L - W = 2 and 2L + 2W = 68
Step-by-step explanation:
The two equations here are going to be-
Length minus width equals 2
L - W = 2
And
Length x 2 + Width x 2 = 68
2L + 2W = 68