using the distributive property:
-4x + 20 + 3a - 21
Then combine like terms:
-4x + 3a - 1
A is the answer
Answer:
30%
Step-by-step explanation:
plato
Answer:

Step-by-step explanation:
Given:



Required
Determine his after tax salary in terms of p
To do this, we simply make t the subject in 
Divide both sides by 1.25



Substitute p/1.25 for t in 

Answer:
The mean.
Step-by-step explanation:
I would use the mean as the measure of central tendency.
It is the best representation of the data as the variability isn't high; I'd only use the median if outliers are present because outliers don't affect it.
Because there are no outliers here, the mean is better.
Hopefully I helped :)
11.25cups. I got that by multiplying 2.5. by 4.5. If she wants to make 4.5 batches and 1 batch uses 2.5 cups, you have to multiply the cups of 1 batch by the number of batches she wants to make.