Which is the graph of y = ⌊x⌋ – 2?

Estimate the product. round the first factor to the nearest whole number, round the second factor to the nearest ten, and then multiply. 3 8/9 × 96

Ten times the square of a non-zero number is eqaul to ninety times the number

Which graph represents the parent function of y=(x+2)(x-2)