Sally bought a new iPad for $289 and a sales tax of $20.30 was added to the cost. What was the sales tax rate (percent)? Round to the nearest percent.

For the equation below, x is the input and y is the output. y = -4x + 3 if the input is -8, then the output is

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Two lines that do not intersect are skew. always sometimes or never