What is the simplified expression for -3(2x-7)+2y+ 2(x+y)?

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

Which interval for the graphed function contains the local maximum? [–3, –2] [–2, 0] [0, 2] [2, 4]

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined