For males in a certain town, the systolic blood pressure is normally distributed with a mean of 130 and a standard deviation of 10. Using the empirical rule, determine the interval of systolic blood pressures that represent the middle 68% of males.

Which math sentence can be used to determine if the triangle is a right triangle?

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

Do,h = (7, 9) (14, 18) the scale factor is