In a certain school, there are 180 pupils in 100 level,110 pupils study French,88 study German, and 65 study Indonesian. If 40 pupils study both French and German,38 study German only. Find the number of pupils who study: a. All three languages b. Indonesian only c. None of the languages d. At least one language e. Either one or two of the three languages​

Solve the system of equations. y= 2x y= x^2 - 15

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

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