The following events result in a tax. which is an example of a direct tax?
charles sells his 25-acre lot, which includes a pole barn.
sammy stops to pump gas on a cross-country road trip.
ingrid's cable bill contains extra fees that weren't listed in the plan.
javier owes money to the federal government based on his earnings.

In a high school with 3000 students, counselors are putting together a math tutoring program for the neighboring middle school. they plan to invite high school students with high average test scores to tutor middle school students, and they would like to offer gift cards to the student tutors. the counselors have a spreadsheet showing each student’s average test scores, and in order to find out how many gift cards they should purchase, the counselors need to count how many students would qualify to become tutors. which type of function would best the counselors determine the number of eligible students?