The sophomore class at south high school raised $800 from the sale of tickets for the dance. tickets sold for $1.50 in advance, and $2.00 at the door. if a total of 475 tickets where sold, the number of tickets sold at the door is [ ]?
no work needed.

What is the relationship between all triangles that can be drawn given the same three angles

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true