Answer:
first quartile is 14
Step-by-step explanation:
{13,15,19,25,35}
first quartile = (13+15)/2 = 14
second quartile = 19
third quartile = (25+35)/2 = 30
Answer:
perimeter is 12x-6
Step-by-step explanation:
perimeter is the sum of all sides
3(x+2) + 2x+11 + 7x-23
distribute the 3 in the first term, then combine 'like terms'
3x+6 + 2x+11 + 7x-23
3x+2x+7x + 6+11+(-23)
12x-6