Hello,
Answer A
Let's the width of the rectangle
2a-5 its length
Teh half perimeter is 80/2=40
a+2a-5=40 ==>3a=45==>a=15 and 2a-5=30-5=25
Answer:3^2=9
U are gonna times 3 two times
Example:3x3=9
Hello!
To find the amount of miles a car can drive with one gallon, divide the total miles by the amount of gallons it takes to drive that specific amount of miles.
450 miles / 18 gallons = 25 miles per gallon
Therefore, you can drive 25 miles with one gallon of gas.
21, 42, 63, 84, 105, 126, 147
Total numbers in set: 7
Mean (Average) 84
Median (Middle): 84
Mode (Most Common): No mode of this set
Range (Biggest - Smallest): 126
Mean is the average of all data in set.
Median is the value which occurs most frequently in a data set.
Range is the difference between the largest, and smallest data set.
Hope that helps!!!!
