Given 2y =a^x +2a ^-x and a^x>0.
Show that a^x= y + sqrt (y^2-2)

Which number line represents the solution set for the inequality -1/2x> 24?

What is the area of the triangle 10 13 12

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove