Riva wrote this expression to describe the amount she paid for each movie ticket. 25 ÷ t which situation could be described by this expression? a. riva knows that each ticket cost $25. she does not know how many tickets she bought. b. riva knows she paid a total of $25. she does not know how many tickets she bought. c. riva knows she paid a total of $25. she does not know how much popcorn and a drink will cost. d. riva knows she paid $25 a ticket. she does not know the total amount she spent.

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?