Multiplying by which number is equivalent to a decrease of 99% ?

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 conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

How many solutions does the nonlinear system of equations graphed below have?