X= 3 is the answer to this question
Answer:
40
Step-by-step explanation:
10 + 30 = 40 difference
Answer:
first of all square mean two number or double so if we multiple 15×15=225 and if we multiply 16×16=256 mean the number 240 lies between them what about number 15.5 lets try now 15.5×15.5=240.25 if you want to make sure so just take a square root of this number

so 240 is product of (15.5)² note number after point is negligible
Step-by-step explanation:
Ryan had a head start of 10 meters.