Which of the following is a perfect square trinomial? a) 4x2 – 20x - 25
b) x2 - 16
c) x2 - 8x + 16
d) x2 + 4x + 36

Which graph shows a function with a range of all real numbers greater than or equal to -1

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)