A triangle with measures of 2", 21", and 21" is a(n)

How do you find principle and simple interest

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?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10