With the following:
1. for what value(s) of "r" is 3r-6=7+3r
a) all real numbers
b)all negative numbers
c)0
d) no values of r

2. what is the range of f(x)=[[x-1]]?
a)all reals
b)all integers
c)all real > or = 1
d)all integers > or = 1

the answer is 489

step-by-step explanation:

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb