Please help, I really would love it

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?