So what you have to do is make the denominators equal. You do that by finding out what number they can both go into which is 60. 12 can go into 60 5 times and so you have to do 9/12 times 5 which is 40/60. then 5 goes into 60 12 times so you have to do 1/5 times 5 which is 12/60. Then you see that 40/60 >12/60 therefore the class ate more of the pepperoni pizza
Where's the graph that represents the speed of the sea lion?
Answer:
we CANNOT DIVIDE 3 with 6.
Step-by-step explanation:
Here,as given in the question:
Starting value = 6
Constant ratio = 1/3
Now, exponential function is obtained by the product of starting value and the constant ratio repeatedly.
⇒ f(x) = (Starting value) x (ratio)... x times
Now, we CANNOT DIVIDE 3 with 6 as it is in the power of x.
Hence,
and 
Rearrange them to slope-intercept form
y = 7x + 2
y = -(1/7) x + 8
product of their slopes is 7 * -1/7 = -1 so they are perpendicular