Which relationship is always true for the angles x, y, and z of triangle mnp?
x+z=y
y+z=x
x+y+z=180 degrees
x+y+z=90 degrees

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?

Which of the following shows the length of the third side, in inches, of the triangle below

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?