Answer:
A survey among 500 grade 3 pupils revealed that 150 of them stayin the playground after their classes. Use 95% confidence to conduct a test of proportion. 1 1.
Step-by-step explanation:
Equivalent equations are equations of equal values
The system of equations from the given equation are:
and 
The logarithmic equation is given as:

Split the above equation as follows:


Rewrite
as:

Hence, the system of equations from the given equation are:
and 
Read more about systems of equations at:
brainly.com/question/14265399
Answer:
The code is 2,-3, 1, 1/2
So, the letters would make the word... “idea” <— that’s the letter code
Step-by-step explanation:
Use the slope-intercept form to find the slope, which is y = mx + b