mean = sum/n
mean = (5 + 7 + 7 + 9 + 12 + 16 + 21)/7
mean = 77/7
mean = 11
Answer:
isoceles
Step-by-step explanation:
because isosceles triangle have 2 sides with equal measurement and a same angle can be formed 1 or 3 times not 2 times.
i dont no 44444 but thanks for the points
The top two answers are equivalent, while the bottom one is not. You would use distributive property in the parentheses. If both expressions are the same, they are equivalent
