A rectangle has a height of 555 and a width of 4x^2-2x-64x
2
−2x−64, x, squared, minus, 2, x, minus, 6.
Express the area of the entire rectangle.
Expression should be expanded.

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