Nick finds a toy train set on sale for 20% off at a toy store. The original price was $34 Nick must also pay 6.5% sales tax. What is the total amount Nick must pay for the train set? Write your
answer in a complete sentence.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth