The answer to the question is 9/45, 8/40
Answer:

Step-by-step explanation:
we know that
The length of segment B''C'' is equal to the length of segment BC multiplied by the scale factor
step 1
Find the length of segment BC
the formula to calculate the distance between two points is equal to

we have the points
B(1,-3),C(-3,-3)
substitute the values



The segment B''C'' is equal to the segment BC multiplied by the scale factor
The scale factor is 3
so


substitute

Answer:
Slope is 9.
Step-by-step explanation: The formula to find slope is m= y2-y1/x2-x1
-6=y1, -4=x1/ 3=y2, -4=x2
3-(-6)/-4-(-4)
=9/0=9
The Slope is 9.
I hope that this has helped, have a good day.
Answer:
Ava needs to add 50ml of cleaner.
Step-by-step explanation:
Ratio of cleaner : water = 1:7
This means that the total ratio;(water+cleaner) = 1+7 = 8
Find fraction of each item out of the total ratio of 8;
Fraction of water = 
Fraction of cleaner = 
Knowing the fractions, find the quantity of cleaner in <em>ml </em>out of a total of 400-ml;
Cleaner = (1/8 )*400 = 50ml
Therefore, Ava needs to add 50ml of cleaner.
Answer:
Week 3.
Step-by-step explanation:
Add up the hours for each week.
Week 3 is the highest at 36 hours.