Jethro has to pay his annual taxes. he knows that his tax rate is 27% of his taxable income. if he made $68,000 last year, which proportion should he use to determine how much he owes in taxes? a) x 68000 = 27 100 b) 27 68000 = x 100 c) x 68000 = .27 100 d) 68000 x = .27 100

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.