What value of a would make the equation 123 + 24 = 121 + ahave infinitely many solutions? Please I need help

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

Which expressions are equivalent to -6 + 3m

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1