Answer:
20
Step-by-step explanation:
The questions asks about Combinations of Pizza toppings, so by employing the Combination Formula:


Answer:
x²+22
Step-by-step explanation:
let the number= X
x²+22
Answer: c.
Step-by-step explanation:
As per given , we have
Total number of residents injured from roller-skating =1,800
Total number of deaths from roller-skating = 90
Formula for Mortality rate : 
Then, the proportional mortality ratio (%) due to roller-skating was
=
= 5%
Hence, the correct answer is c.
Answer:
(2x+3)3 :)
Step-by-step explanation: