Which region represents the solution to the given system of inequalities? Y<-1/2x Y>2x+3

What number should be added to both sides of the equation to complete this square? x^2-10x=7

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.