What is the upper quartile of this set of data?
18, 16, 12, 22, 21, 16, 20, 21, 14, 17, 15
a) 20
b) 21
c) 22
d) 17

Which system of linear inequalities is graphed? can somebody please

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

F(x) = x2 − 9, and g(x) = x − 3 f(x) = x2 − 4x + 3, and g(x) = x − 3 f(x) = x2 + 4x − 5, and g(x) = x − 1 f(x) = x2 − 16, and g(x) = x − 4 h(x) = x + 5 arrowright h(x) = x + 3 arrowright h(x) = x + 4 arrowright h(x) = x − 1 arrowright