The grades of a science test are normally distributed. Thanh finds that his grade on the test has a z-score of -25 Which statement must be true?

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

Find the slope of the line y =8/9x + 1.

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis