Answer:
22 3
Step-by-step explanation:
 
        
             
        
        
        
I’m assuming that 7 means x, and honestly all you have to do is multiply. x= 1 , y= 75.. so just multiply 75 and 272. The answer is 20,400.
        
             
        
        
        
For acceleration use this formula: (v-u) /t
V is the final velocity 
U is the intial velocity and t is time. 
For speed u hav to calculate the the total distance and total time then use this formula: 
Average speed=
Total distance / Total time