Which describes a set amount of pay received by a worker over the course of a year?
tuition
expense
salary
hourly wage

  salary

Step-by-step explanation:

Salary is the term generally used to refer to the annual amount of wages.

tuition is the amount paid to an educational institution for the classes they offer.

hourly wage refers to the amount earned in an hour, not a year.

expense is the name given to any expenditure, not an amount earned.

area of part 1:

a1=base*height/2=(8+2)*(8-2-2-1)/2=10*3/2=15 ft^2

area of part 2:

a2=length*width=(8+2)*1=10 ft2

area of part 3:

a3=length*width=8*2=16 ft2

total shaded area : a1+a2+a3=41 ft2

total area of the reactangle : a=16*8=128 ft2

total area of the nonshaded region : 128-41=87 ft2

true

step-by-step explanation: