Simplify:
sec x – sec x
(sin x)2

What is the vertex form of f(x) = x2 + 6x + 3

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

Elm street is straight. willard's house is at point h between the school at point s and the mall at point m. if sh = 3 miles and hm = 4.5 miles, what is the value of sm in miles?