1. What do you need to show in order to prove that a number is divisible by 3? Then, use an example to show your explanation is correct. *

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?