2+2-9+9+234-89+2747-3+902/3892+7y+9 y Does anybody know this answer? My teacher put this as homework.

Which formula gives the area of a triangle? a=1/2(b+h)

Which of the following equations is equivalent to x/3-6/x=1

Question 13 (1 point) jerome is starting a new job. his contract states he will earn $42,000 the first year, and will get a 4% raise per year. which function s(x) represents jerome's salary after a certain number of years, x?