9 out of the 15 runners completed the time trial between 52.0 and 53.9 seconds so 9/15 is the percentage you are trying to find. If you divide 9 by 15 and then multiply the decimal by 100, you will have your percentage.
Answer:
x=90 degrees
y=142 degrees
z=128 degrees
Step-by-step explanation:
14
Step-by-step explanation:
5(2)^2 -2 -4
5(4)-6
20-6
14
Answer: 1
Step-by-step explanation: can only be split evenly by one line.
Less than 1ounce: Feather, grain of sand, grain of sugar
more than 1 ton: Car,house,train