Answer:
11
Step-by-step explanation:
You would start by subtracting $30 from $151 which is $121.
Then you would divide this by 11 which 121÷11=11
So 11 test were bought.
Answer:
It is linear
Step-by-step explanation:
If you graphed it it would be in a strait line. You also want to make sure that you write your answer in slope intercept form (y = mx + b). Your line would have to be y = -3x + 7 to be in slope intercept form.
The answer is 8. 8 squared is 64 plus 8 is 72
Answer:
y I z
Step-by-step explanation:
We can see that y I b and z I b we can conclude also that
y I z.