3. C
4. 2
5. C
hope this helps:)
        
                    
             
        
        
        
Answer:
b = 87°
Step-by-step explanation:
In order to answer this question, we need to utilise an important angle fact which is <em>angles in a quadrilateral add up to 360° </em>
Using the information we can set up an equation to find the value of b
→ Form equation
63 + 140 + 70 + b = 360
→ Simplify
273 + b = 360
→ Minus 273 from both sides isolate b
b = 87°
 
        
                    
             
        
        
        
Answer:
distance covered in 2 hours = 80 km
distance covered in 1 hour = 80÷2 = 40 km
distance covered in 7/2 hours = 40 × 7/2 
= 140 km
(3 1/2hours = 7/2 hours)
 
        
             
        
        
        
Answer:
208 desks
Step-by-step explanation:
To find out how many desks they will inspect each week, we multiply
800 * 6.5%
800 * .065
52 desks per week
Over a 4 week period, they will inspect
52 desk per week * 4 weeks =
208 desks
 
        
             
        
        
        
Answer:
act as if the ratio is a fraction 4:3 would be 4/3..
Step-by-step explanation: