Step-by-step explanation:
1.
(chain rule)
2 

Answer:
47/5
Step-by-step explanation:
First step: multiply the denominator (bottom of the fraction) of the fraction by the whole number.
5*9 = 45
Second Step: add the numerator
45 + 2 = 47
Third step: Put the result over the denominator.
47/5
Answer:
45/60=0.75
Step-by-step explanation:
Let's first turn all the words into numbers:
Two and four tenths = 2.4
One and six tenths = 1.6
Four and one tenth = 4.1
Now lets represent "a number" as x.
Then translate the wording into a linear equation:

Simplify and isolate the variable:

Divide by 0.8
x>1.375 or x>1 3/8
Answer:
I believe it's the one on the bottom left
Step-by-step explanation:
I'm still taking my test so I'll come back later to tell you if it's correct.