90% of students at a university use a backpack, while the rest do not. of all the students, 50% carry their laptops with them and 5% carry neither a backpack nor laptop. what percentage of students carry their laptops and use a backpack?

Is the orthocenter of a triangle on the inside ?

Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?