Answer:
hi
Step-by-step explanation:
1 and 2 no are perfect square other r not
Answer:
The CD player's price decreased by 35%
The graph of 2n^2 +5n -25 opens up because the coefficient of n^2 is positive.
____
The statement 2n^2 +5n -25 = 0 defines two values of n.
Answer:
10 teachers
Step-by-step explanation:
Looking at the data provided, we can conclude that for 1800 students, there are 90 teachers.
1:20
When more teachers arrive, it then becomes, for every 1800 students, there are 100 teachers.
1:18
10 more teachers have now joined the school.