Answer:
D
Step-by-step explanation:
Take 1200+1300+850= 3350
Money per week
--------------------------------------
8*10*5= 400 $ per week
3350/400= 8.3
Answer:2
Step-by-step explanation: 9+1+2=12
12\3=4
ANSWER : 2
Answer: 
Step-by-step explanation:
Given
Andy wants to turn
on his skateboard
Currently, he can make a turn of 
The difference between the required and current turn degree meets his goal i.e.

Thus, he needs to turn by
to meet his goal
Answer:
Option 4: 0.554
Step-by-step explanation:
As we can see that the intervals and their frequencies are given.
We have to calculate the probability of students' score falling between 70 and 89. It will use the frequency of both intervals 70-79 and 80-89.
So, combined scores of both intervals are:
172+105 = 277
Now to find the probability
= 277/500
=0.554
So option no 4 is the correct answer ..
Option A. is a function...
here For different values of x in Domain of(x,y) ;There is a unique image y in codomain.
All others have more than one image for a single value x.
Hope it helps...
Regards;
Leukoniv/Olegion.