Which exponential function models how much a $52,500 car depreciates at 9% each year, where y is the car value and x is the number of years? (^ means exponent)

Factor. 8x2y2 – 4x2y – 12xy 4(8x2y2 – x – 12xy) 4(2xy – 4x2y – 12xy) 4x2y2(2xy – xy –3) 4xy(2xy – x – 3)

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have