Efine perpendicular lines. a) lines in the same plane that intersect. b) lines in the same plane that never intersect. c) lines in the same plane that intersect to form a 90° angle. d) lines in the same plane that intersect to form a 180° angle.

What is the absolute value of the complex number -4-sqrt2i

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

What is the distance from (–3, 1) to (–1, 5)? round your answer to the nearest hundredth. (4 points) a. 3.60 b. 4.12 c. 4.47 d. 5.66