Four friends share 3 apples equally. what fraction of an apple does each friend get

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2