Three families each buy the same number of $10 tickets per person to the zoo. Each family also pays $2 for parking. The total cost is $126. Write an equation that can be used to find n, the number of people in a family.

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

Write two subtraction equations that are equivalent to 5 + 12 = 17.

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)