Answer:
B
Step-by-step explanation:
A function has at most one y value for every x value. This means that for every vertical line, there can be at most one intersection.
This example clearly doesn't satisfy this requirement.
 
        
             
        
        
        
Must be 16 and 21 because we can see 
30 and 70 has 10 as factor
24 and 44 has 2 as factor
12 and 30 has 2 as factor and all those factors are greater than one
        
                    
             
        
        
        
The answer is 64, because the amount is doubled each day.
        
             
        
        
        
Answer:
20% or 1/5 or 0.2
Step-by-step explanation:
1. There are 10 sections, which means <em>each section has a a chance of 10% to be landed on</em>.
2. There are <em>two multiples of four under 10: 4 and 8</em>.
That means there is a <em>2 * 10%</em> = 20% chance that the spinner will land on a multiple of 4.
 
        
             
        
        
        
You simply do 1500 ÷ 10 to work out how many pages she needs to read in one day. The answer is 150 pages everyday.