The tay would move to the left because that is a less than sign . positive goes to the right and negative goes to the left . thing of the less sign like a L bc it looks like one .
Answer:
-9
Step-by-step explanation:
The applicable exponent rule is ...
a^b·a^c = a^(b+c)
___
For the y factor, ...
y^-13 · y^4 = y^(-13+4) = y^-9 . . . . . exponent of -9
Answer:
C. 
Step-by-step explanation:
= Diameter of a red blood cell = 
= Diameter of a whooping cough virus = 
Ratio of the diameter of the red blood cell to the diameter of the whooping cough virus
The required ratio is .
PEMDAS
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
(4+5)÷3×4
9÷3•4
3•4
12
Its B.6 because when you plug in 1 for y the equation is 3x-1=17 and you have to cancel out y to get 3x=18 by itself because you have to add 1 to the 17 since you canceled it out of the equation then you are left with 3x=18 and you divide both sides by 3 and then 18 divided by 3 is 6 so x=6
