Answer: 180
Step-by-step explanation: 30 x 6= 180
Answer:
80 inches
Step-by-step explanation:
Your pretty much finding the area so you would multiply 8 x 10
A triangle with three congruent sides is an equilateral triangle. An equilateral triangle's all sides are always equal to each other, and the angles are also congruent.
Answer:
Random sample
Step-by-step explanation:
It's a random sample because she did not pick the students 1 by 1, she just chose random students from a list
Answer:
x = 11
Step-by-step explanation:
-11 + 4x + 9x - 9 = 123
-11 + 4x + 9x = 132
4x + 9x = 143
13x = 143
x = 11