Margie takes a random sample of 30 students in her seventh-grade class and finds that 75% of the sample prefers the color blue over the color red. there are 125 students in the seventh grade. based on the sample proportion, about how many students in the seventh grade would be expected to prefer blue over red?
30
75
94
125

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Which of the choices shown could be used to prove that aacp=abcp ?

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck