Answer:
3 ft
6 ft
9 ft
Step-by-step explanation:
Set up your equation;
18=x+2x+2x+3
simplify;
5x+3=18
18-3= 15
5x=15
15/5=3
x=3
Then plug everything in;
3(2)=6
3(2)+3=9
B.) well, according to options your answer would be 52 lb
E is wrong. It only says twelve but it is a square and squares have the same side so u would really do twelve times twelve and get 144. And also I got 360 on the challenge one because u would split the irregular figure and you would do ten times nine equals ninety then nine times thirty equals 270. Then add it and you old get 360 m2
Answer:
see file attached
Step-by-step explanation: