How can i get answers by factors of 256​

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

Find the nonpermissible replacement for binthis expression.b2/5b +5

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.