Use a calculator it's not hard
Answer:
boys
Step-by-step explanation:
Let
= total number of ninth graders. By knowing how many students there are in the grade, we can find for the number of boys.
(number of girls in ninth grade)


To find for the number of boys, we can use substitution:


∴ There are
boys in the class.
Hope this helps :)
Answer:
1975 Thomas Jefferson
Step-by-step explanation:
Answer: X= i, -i, 2i, -2i
Step-by-step explanation:
The roots are x values when the graph intersects the x axis.
Answer:
30 cm
Step-by-step explanation: