If AD is the altitude to BC what is the slope of AD

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7