Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. in a group of 230 tests, how many students score within one standard deviation of the mean?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares