Find explicit formula for the sequence given by the recursive definition u_n= 5u_(n-1), u_1= 20

Which rectangle if translated 6 units right and 16 units down and the rotated 90° clockwise about the point (4, -11) will result in rectangle e?

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?

If it 8 inch candle burns at 7/10 inch per hour and a 6 inch candle burns at 1/5 inch per hour after how many hours would both candles be the same height