How can you plot the reflection of point a across the y-axis? give the coordinates
of the reflection across the y-axis, and tell how many units the reflection is from point a.

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?