Simplifying both sides to get:

a
2
+
2
a
b
+
b
2
=
c
2
+
2
a
b

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

In a school 2/3 of the students study a language of those who study a language 2/5 study french

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?