2 To determine if the class understood the fractions lesson, Mrs. Norris asked random students to solve a problem. Out of the students that answered, 80% were correct. In a class of 30 students, how many students would you expect to understand the lesson?​

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Which best explains why this triangle is or is not a right triangle ?