Which statement is NOT true about the normal probability density function? A. It is also known as the bell curve.

B. Its shape is completely concave downward.

C. It has 2 inflection points.

D. It has reflectional symmetry.

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

How to do this , and can some one explain