Which statement about the equation y = 4x + 6 is true? The equation does not model direct variation. It models direct variation with a constant of variation of 10. It models direct variation with a constant of variation of 4. It models direct variation with a constant of variation of 6.

Ineed me i stuck and i don’t want to get it wrong

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Which of the following scenarios demonstrates an exponential decay