Are the associative properties true for all integers

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

Graph the line with the given slope m and y-intercept b. m=-3,b=1

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)