A teacher is decorating her bulletin board. She needs boarder for the board. If the bulletin board has a length of 15 long and a width of 6 feet long How much boarder does she need for the entire bulletin board?

42

Step-by-step explanation:

When doing perimeter, you add all sides. 15+15+6+6=42

1+1=2 2+2=4 4+4=8

Step-by-step explanation:

1+1=2 2+2=4 4+4=8

55/i dont know i do it for the points

step-by-step explanation:

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13