Use the associative and commutative properties to make this calculation easier. justify the steps.
6•(17•50)

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?

The school board administered a math test to all students in grade 66 at high achievers charter school and determined that 15\%15% of them were below grade level in math. based on this data, which of the following conclusions are valid? choose 1 choose 1

Me because i don't understand how to do it.: )