Answer:
a = 14
Step-by-step explanation:
The mean is the sum of the values divided by the number of values.
Maurice puts 130 trading cards in projector sheet he feels 7 sheets and puts the remaining four cards in an 8 sheets have the sa
1 answer:
You might be interested in
Answer:
x = ±
Step-by-step explanation:
Given
x² = 20 ( take the square root of both sides )
x = ±
which can be simplified to
x = ± 2
[ ± means plus or minus ]