For males in a certain town, the systolic blood pressure is normally distributed with a mean of 120 and a standard deviation of 8. What is the probability that a randomly
selected male's systolic blood pressure will be less than 108, to the nearest
thousandth?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap