In a class of 30 students, 20 take mathematics, 17 take physics and 2 take none of the two subjects. How many students take both
subjects?​

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false