Answer:
Twelve times a number decreased by 45 is at most 117.
Step-by-step explanation:
Answer:
Step-by-step explanation:
4a:(3)
4b: d=don dx3=
Answer:
a) 
b) Irrational
Step-by-step explanation:
a) Let 
Then 
Subtract (a) from (b)



b) From part a)
is a rational number but
is an irrational number.
But
is not a rational number because the product of a rational number and an irrational number is an irrational number.