63 seconds is 90% of Niki's time for one lap. So, Niki's time for one lap is 63/0.9, which equals 70 seconds or 1 min. 10 seconds.
Answer:
48 is the answer
Step-by-step explanation:
The area is 45..........................
Answer:
x=53
y=19
Step-by-step explanation:
3x + y-5
3(5)=15
15+y