Answer:
assuming <= is less than or equal to
then z/3 is less than or equal to 3
z had to be less than 9
Answer:
x>8 and x<6
Step-by-step explanation:
well first the values of x-7 have to be greater than 1 or, less than -1
because if x-7=-2 then |-2|=2>1 satisfying the equation
so we have

and we have

to graph it it goes from (-∞,6)∪(8,∞)
2/7.
2/7 + 5/7 =1 Just add the numerator if the denominator is the same
Answer:
it should be built at the centre