Answer:
acc to ques....perimeter of figure= 3a^2+15a+9
let missing dimension be x
= x+10a-2+a^2-7+5a=3a^2+15a+9
x+15a+a^2-9=3a^2+15a+9
x=2a^2+18
Answer:
take the population mean divided by four
Step-by-step explanation:
Speed = distance ÷ time so it's probably
35÷120=0.291 or 7/24 miles per hour
It there a picture because if there is u can’t see the picture sorry