In 2000, 36 children attended a summer day camp. Attendance has increased by 12% per year since then. How many campers attended summer day camp in 2006?

66

Step-by-step explanation:

each year it goes up by 5 more campers

we know it's a perfect square so the first term has to be 4x and the second 3. let's check:

so the length of each side is

part b

that's the difference of two squares:

at this point we're supposed to say the rectangle's dimensions are

2x-7y by 2x+7y

but that's horse hockey. the rectangle dimensions are l, any positive number, and

but i'm almost certain they're expecting the wrong answer:

2x-7y by 2x+7y