Which table of values represent a nonlinear function? (Look at the image)

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Let x = a + bi and y = c + di and z = f + gi. which statements are true?

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