Evaluate and explain
3t(t+2)-3t^2 for t=19
and
simplifiy
-(3a-2b)-3(-a-b)

Simplify the expression 10/11(22z) + (a+5) -1

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box