Hey i am struggling with this question and was hoping someone could me before 7: 00pm cst.11.) 5x/x^2+2x÷30x^2/x+2 ! i will post a picture if i can figure out how to.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

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

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.